any character except newline. 1 Using changes the wildcard (. I have tried using like this. sub() function in the re module is used to do so. Replace the first occurrence of the word "Hello" in the string str below with &39;(Hello)&39; without modifying the pattern in regex, and save the result in newStr. I am trying to match a single Text character at the start of a string and then anything after that character that is an integer with a length of 5 characters. real water recall; android studio profiler no debuggable processes; florida code enforcement abuse of power. R - R replace characters in a column based on a word in another column R - Remove first occurrence of special characters until the first word or word character in R using regex R. replace(new RegExp("&92;&92;d", "g"), "X"). Next, repstCharStr. and replace occurrences of a regex pattern in the string with a. It matches the first occurrence of that character in the string. Regex match last occurrence of character; indoor airsoft charlotte nc; kincardine bagpipe band; martin prowler compound bow; dexcom apple watch se; myhr payroll; hexadecimal addition;. index of credit card xls. If you want to do only one substitution per line, take off the g sed &39;s,;&39;. At each character, the pattern accepts an opening bracket followed by another character, or the end of the string. Default 0 (all occurrences) parameters. I am doing this because I need the data to get into excel, and excel can only handle 32,767 characters per cell. It looks for the matches of the given regex pattern in the sting originalstr and replaces N occurrences of substrings that matches with the replacement string . The syntax of global mode is, a g, using g for global mode after the second or closing forward slash results in matching all occurences of a instead of first occurence match. To match only the first occurrence of any regex expression remove all flags. supercross 2022 tv schedule Back webrtc camera test. c regex replace only first occurrence Code Answer. Using GNU sed (other versions may behave differently, thanks glenn jackman) sed -i&39;&39; &39;s2g&39; file. Number of characters from the beginning of the string where the function starts searching for matches. Here, the pattern will only match characters as long as it doesn&39;t see two ahead. A special feature of XPath regular expressions is the subtraction of character sets. To find the nth occurrence of a character (or string of characters), we will use the FIND and SUBSTITUTE functions. subn method returns a tuple of two elements. It returns VARCHAR2 if the first argument is not a LOB and returns CLOB if the first argument is a LOB. 23 mars 2016. z' would match as 'z', or '24t24. content reg. <a title"Python replace characters not in list. Substitutions are language elements that are recognized only within replacement patterns. Split first occurrence of hyphen. The REGEXPREPLACE function is used to return sourcechar with every occurrence of the regular expression pattern replaced with replacestring. is for globally, that is to substitute all occurrences of , with ;. Python re. We could change our pattern to search for only two-digit numbers. May 19, 2022 &183; The most basic regular expression consists of a single literal character, such as a. This is different from the Oracle implementation of REGEXPREPLACE, where if occurrencearg is omitted, the default value (0) is used. regex ends any character up till. To replace it in a multiline string shell variable, with GNU sed. Replace(content, "12"); The idea was to grab the first occurance and all html up to the second occurance, then grab all the html after that. Jun 10, 2014 Regex to replace second occurrence of a character. Method 1 Match everything after first occurence. To replace the last occurrence of a character in a string in JavaScript, we can use the JavaScript string replace method with a regex. substring(0, i) returns substring up . I am doing this because I need the data to get into excel, and excel can only handle 32,767 characters per cell. Ie, A12345 Match; B34464 Match; 2B3456 No Match, first digit is not one of specified chars. Python re. REGEXPREPLACE Database Oracle Oracle Database Release 18 SQL Language Reference Table of Contents Search Download Table of Contents Title and Copyright Information Preface Changes in This Release for Oracle Database SQL Language Reference 1 Introduction to Oracle SQL 2 Basic Elements of Oracle SQL 3 Pseudocolumns 4 Operators 5 Expressions. Regex to replace second occurrence of a character. It returns VARCHAR2 if the first argument is not a LOB and returns CLOB if the first argument is a LOB. This example will replace all numeric digits in the string as specified by &92;d. Introduction This problem involves a bit of lateral thinking. lithium stock forecast 2025; dell optiplex 3020 i3; yiddish names and meanings; white trainers to wear with dresses; tagro mix reviews; glock 17. Weekly Downloads. The methods replace the matched pattern with the pattern that is defined by the replacement parameter. A special character can be anything other than a letter or a number, including dots, commas, spaces, and others. The regex method searches a string and then replace it with some other value. rewrite The replacement regex for any match made by matchingRegex. txt and replaces it with . I am trying to match a single Text character at the start of a string and then anything after that character that is an integer with a length of 5 characters. Can I Use strreplace() to Replace Only the First Match By default, PHP&39;s strreplace() , replaces all occurrences of a match; an optional . If you want to do only one substitution per line, take off the g sed &39;s,;&39;. Replace(content, "12"); The idea was to grab the first occurance and all html up to the second occurance, then grab all the html after that. Replaces the first occurrence of this regular expression in the specified input string with specified replacement expression. You can also use replaceFirstIn with a Regex scala> val regex "H". Likewise, for the first two occurrences, we can mention count2. Matches any one of the enclosed characters. The difference between replaceFirst () and replaceAll () method is that the replaceFirst () replaces the first occurrence while replaceAll () replaces all the occurrences. -m NUM, --max-countNUM Stop reading a file after NUM. Above can be done by defining and applying the following macro Go to first line containing the to be edited text. Match Regex. This should match only the first number and the comma (&92;d. The first element of the result is the new version of the target string after all the replacements have been made. regex match characters after string (5) Regular Expression (x) assuming x is not last. If you check the syntax of the Substitute function, you can understand that one of the argument in this function is the occurrencenumber. It doesn&39;t have to be this way. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. I want to replace the first occurrence of " (quotation mark space) with " (quotation mark) for each line. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. But -in order to make your website yours, you- will need to replace them. Regular expressions are a powerful tool for working with strings. The most basic regular expression consists of a single literal character, such as a. With GNU sed, you can use the pseudo address 0 sed &39;0,,s;&39; Note I suppose it&39;s a typo, but the. This method is the simplest of the two methods provided here. Add a Grepper Answer. Characters Meaning xyz a-c A character class. You can specify a range of characters by using a hyphen, but if the hyphen appears as the first or last character enclosed in the square brackets, it is taken as a literal hyphen to be included in the character class as a normal character. sed -r &39;a;N;ba;s(&92;&92;")&92;"g&39;. the first born daughter is always the female version of her father. Using regular expressions within the. Step 6-Join the first string and the mirrored string. 81 Upvoted. If you want to match everything after the first occurrence of a character, use Method 1. In this example, we will split the target string at each white-space character using the &92;s special sequence. is the string to be searched for. The string returned is in the same character set as sourcechar. is the regular expression pattern for which is used to search in the source string. This will match any single character at the beginning of a string, except a, b, or c. Substitutions are language elements that are recognized only within replacement patterns. <a title"Python replace characters not in list. . I will then replace the nth occurrence of a character with a tab. regex match characters after string (5) Regular Expression (x) assuming x is not last. In a specified input string, replaces strings that match a regular expression pattern with a specified replacement string. sub() function in the re module is used to do so. If you want to match everything after the first occurrence of a character, use Method 1. 1 Using changes the wildcard (. If you want to do only one substitution per line, take off the g sed &39;s,;&39;. The syntax of global mode is, a g, using g for global mode after the second or closing forward slash results in matching all occurences of a instead of first occurence match. If 0 is specified, all occurrences are replaced. ) Replace with 1 Set the Search mode to Regular expression Uncheck matches newline Click Replace All This deletes the first 11 characters from the starting of each line. A special character can be anything other than a letter or a number, including dots, commas, spaces, and others. At each character, the pattern accepts an opening bracket followed by another character, or the end of the string. But it doesn't work, rather deletes the whole row value than the match until the first newline character. Regex to allow all characters except repeats of a particular given character. sub(pattern, replacement, string, count0, flags0) First of all, let us understand what all these parameters meanpattern The regular expression you want to search and find inside the given. The -replace operator performs multiple operations like finding the matching string and then replacing it. Lets start with the character before which wed like to match everything. sed -r &39;a;N;ba;s(&92;&92;")&92;"g&39;. ) On first glance this is the same in Snowflake as with. The first element of the result is the new version of the target string after all the replacements have been made. 3 aot 2022. In this case, well use the letter a Edit with Regexity a Edit with Regexity. Answers related to c regex replace only first occurrence. The string returned is in the same character set as sourcechar. A special feature of XPath regular expressions is the subtraction of character sets. Each occurrence of Fred will be replaced by the new String "Ted". 7 nov. To replace only the first occurrence in the whole input (as opposed to in each line) sed -e &39;s,;;t done&39; -e b -e done -e &39;n;b done&39;. 1 oct. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. This regular expression finds all words of the form "are", where is an alphanumeric character, and matches that first letter. For instance, to substitute only the second occurrence sed &39;s,;2&39;. Share Follow answered Feb 2 at 515 Alan Joseph 89 5 Add a comment 1 You can do this with the below regex. The regex method searches a string and then replace it with some other value. regex find first instace. At each character, the pattern accepts an opening bracket followed by another character, or the end of the string. Then it replaces all that with the same group of digits followed by a tab. This will match until the first occurrence of the succeeding pattern. The string returned is in the same character set as sourcechar. Number of character positions to. I want to replace the first occurrence of " (quotation mark space) with " (quotation mark) for each line. Spread the love. This C program allows the user to enter a string (or character array), and a character value. 11 nov. 5 juil. If you really must use Regex then you&x27;ll need to rewrite your expression such that the first instance of the character is in a capture group by itself and everything before and after are ignored. 11 (. &92;s Match a white-space character. The substring matching process starts from the beginning of the string (index 0) and ends after the first match is found, else to the end of string. Regex match last occurrence of character; indoor airsoft charlotte nc; kincardine bagpipe band; martin prowler compound bow; dexcom apple watch se; myhr payroll; hexadecimal addition; systxccitc01b. The first element of the result is the new version of the target string after all the replacements have been made. The replacement string results from some processing done on the matched string. The Match () method is a way to instruct PowerShell to attempt to match a string inside of another string. For example, to get the position of the 2 nd occurrence of the d character, we put the following formula in cell C3 1. 8 oct. Thus, the uses of PowerShell regular expressions can be explained as they are mainly used for comparing and replacing the match string. To achieve a global replace (replacing every instance of colon with underscore) you&39;d add a qualifier (often &39;g&39;) after the substitution. Regex for finding the second occurrence of a character in a dynamic string in javascript. NET defines the substitution elements listed in the following table. This article demonstrates regular expression syntax in PowerShell. Default 1 (the search for a match starts at the first character on the left) occurrence Specifies which occurrence of the pattern to replace. -m NUM, --max-countNUM Stop reading a file after NUM. To achieve a global replace (replacing every instance of colon with underscore) you&39;d add a . The problem with backslashes exists both in the regular expression pattern, as well as the replacement string. In this program, we have made use of the wildcard character &x27;&x27; that is followed by the String "Fred". Lets say line one has 28,000 characters, the regex will input the tab 2000 characters into line 2. So, we can replace all the commas with newlines and we know that there will be no confusion. Note that the &39;g&39; in the regexp below is important as . index of credit card xls. In this case, that would effectively be a no-op if you run the regular expression only once. If you want to match all occurences of a single character or word you may use global mode represented by g. REGEXPREPLACE Database Oracle Oracle Database Release 18 SQL Language Reference Table of Contents Search Download Table of Contents Title and Copyright Information Preface Changes in This Release for Oracle Database SQL Language Reference 1 Introduction to Oracle SQL 2 Basic Elements of Oracle SQL 3 Pseudocolumns 4 Operators 5 Expressions. Syntax re. Regular expressions specify patterns to search for in string data using standardized syntax conventions. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. 1 oct. Given below are the solutions Find First occurrence of any character word in the string; In the given below example, we need to search for the first. The replacement string results from some processing done on the matched string. Lastly, we replace all remaining newlines with a semicolon. regex match after last occurrence regex extract last 4. Then, you can make a substitution on that line only sed &39;claudio sclaudioclaudia;q&39; file claudia 1. It can be of any length and can contain spaces, new lines and comma. subn method returns a tuple of two elements. &92;n",&x27;&x27;") ELSE DownloadData ENDIF. Replace(content, "12"); The idea was to grab the first occurance and all html up to the second occurance, then grab all the html after that. Valid values are &39;i&39; case-insensitive matching. Regex with Character Literals in PowerShell. . The REGEXPREPLACE function is used to return sourcechar with every occurrence of the regular expression pattern replaced with replacestring. I want to replace the first occurrence of " (quotation mark space) with " (quotation mark) for each line. )&92;s&92;&92;s&39;, &39;1&39;, jsondata); However, it&39;s difficult to imagine the situation when it&39;s necessary. subn method returns a tuple of two elements. A special character can be anything other than a letter or a number, including dots, commas, spaces, and others. 2022 Okt 31. abc, any of a, b, or c. I am looking for a regex that will search a line of a text file in NP and return the nth occurrence of a character, in my case ";". regex not first match php. space vector modulation. Replaces only the first occurrences of a pattern By setting the count1 inside a re. This function replaces the first instance of the numeric data type, as seen. Learn more about strrep, skip instances, matlab, text, string MATLAB. will not cross linefeeds. May 19, 2022 &183; The most basic regular expression consists of a single literal character, such as a. Weekly Downloads. Search for the start of the next occurrence. If you want to match all occurences of a single character or word you may use global mode represented by g. If you want to do only one substitution per line, take off the g sed &x27;s,;&x27;. Feb 18, 2013 If you really must use Regex then you&39;ll need to rewrite your expression such that the first instance of the character is in a capture group by itself and everything before and after are ignored. RegEx can be used to check if a string contains the specified search pattern. In order to replace the first occurrence of a single character with another character, we can use the replaceFirst(oldChar, newChar. It matches the first occurrence of that character. regex first matching character. -m NUM, --max-countNUM Stop reading a file after NUM. Syntax . Then, you can make a substitution on that line only sed &39;claudio sclaudioclaudia;q&39; file claudia 1. Match everything up until the first single occurrence of a forward slash. REGEXPREPLACE extends the functionality of the REPLACE function by letting you search a string for a regular expression pattern. It matches the first occurrence of that character in the string. com Regex. replace first occurrence from right and left side of string score1 jsondata pregreplace (&39;&92;s&92; &92;s (. MMssmmm where MM is minutes, ss is seconds and mmm is 3 digit milliseconds, like I&39;m trying to replace the second occurrence of the colon with a dot I&39;d like to use a regex pattern to do a replace in an editor like Notepad, I came up with this regex to match my expression. Some regular expressions that are not empty, such as a, are used to search for empty character strings. Specifies which occurrence of the pattern to replace. regex match up to character. I will then replace the nth occurrence of a character with a tab. Regex match last occurrence of character; indoor airsoft charlotte nc; kincardine bagpipe band; martin prowler compound bow; dexcom apple watch se; myhr payroll; hexadecimal addition;. sub(pattern, replacement, string, count0, flags0) First of all, let us understand what all these parameters meanpattern The regular expression you want to search and find inside the given. RegularExpressions) In a specified input string, replaces strings that match a regular expression pattern with a. It matches the first occurrence of that character. Answers related to "regex match until first comma". 1 juil. See also. characters that have a special meaning) are "escaped" using a backslash. s&92;n, replaces the first newline with a comma. I will then replace the nth occurrence of a character with a tab. Regex for finding the second occurrence of a character in a dynamic string in javascript. Another way we can do this is by using regular expressions. Default 1 (the search for a match starts at the first character on the left) occurrence Specifies which occurrence of the pattern to replace. Replace(content, "12"); The idea was to grab the first occurance and all html up to the second occurance, then grab all the html after that. This regular expression finds all words of the form "are", where is an alphanumeric character, and matches that first letter. Sep 15, 2021 &183; Consider a simple regular expression that is intended to extract the last four digits from a string of numbers such as a credit card number. Basically, the replace doesn&39;t work, as the first part of the string contains an asterix. Jun 10, 2014 Regex to replace second occurrence of a character. subn method returns a tuple of two elements. We can use the Java String substring function to replace the last character occurrence. Let's look next at how we would use the REGEXPREPLACE function to match on a single digit character pattern. a-z. 12 juin 2021. actriz pornos xxx, pornstar vido
subn method returns a tuple of two elements. . Regex replace first occurrence of character
May 19, 2022 &183; The most basic regular expression consists of a single literal character, such as a. Regex find occurrence in a string and return matched block from start of char to end of char; Check and replace text in a string from a text file; PHP Trim special characters , - from left and right automatically; Replace one needle occurrence anywhere in the string without limits to first or last; only grabbing first character from string array. I am doing this because I need the data to get into excel, and excel can only handle 32,767 characters per cell. The &92;1 in the replacement text will match this part, so the. Let&39;s say you have a string abc123 and want to check to see if that string starts with an a. Surround your characters of interest in square brackets. Of course, the claudio regex could be simplified to sed &39;claudio sclaudia;q&39; file claudia 1 And, then, the only thing missing is to print all other lines un-modified. Using RegEx, I can use the Pattern &92;) And the Replacement Text But that will change ALL the occurrences of the) character, returning. Use &92;0 to refer to the whole match, &92;1 for the first capture group, &92;2 and so on for subsequent capture groups. Syntax public String replaceFirst(String regex, String replacestr) Parameters. Now we could extend the regular expression to include . Find Nth Occurrence of Character in each row. s, This, by default (i. Syntax re. By default, the function returns sourcechar with every occurrence of the regular expression pattern replaced with replacestring. Substitutions are language elements that are recognized only within replacement patterns. Replace the first occurrence of the word "Hello" in the string str below with &39;(Hello)&39; without modifying the pattern in regex, and save the result in newStr. The replacement pattern can consist of one or more substitutions along with literal characters. ) to a literal character (. regex find next occurrence. Regex find occurrence in a string and return matched block from start of char to end of char; Check and replace text in a string from a text file; PHP Trim special characters , - from left and right automatically; Replace one needle occurrence anywhere in the string without limits to first or last; only grabbing first character from string array. Jul 20, 2010 In standard systems, you simply write s. I want to replace the first occurrence of " (quotation mark space) with " (quotation mark) for each line. So, we can replace all the commas with newlines and we know that there will be no confusion. source after replacing all matches of regex with evaluations of rewrite. · The method takes a regular expression and a replacement string as . And for completeness You can also specify which occurrence to substitute. 48 volt golf cart lights 48 volt golf cart lights. To replace only the first occurrence in the whole input (as opposed to in each line) sed -e &39;s,;;t done&39; -e b -e done -e &39;n;b done&39; That is, upon the first successful substitution, go into a loop that just prints the rest of the input. The REGEXPREPLACE function is used to return sourcechar with every occurrence of the regular expression pattern replaced with replacestring. Substitutions are language elements that are recognized only within replacement patterns. I am looking for a regex that will search a line of a text file in NP and return the nth occurrence of a character, in my case ";". The function accepts 5 parameters, listed below Pattern Replacement Subject Limit Count The first parameter,the pattern to be matched The second is the replacement string. Jul 25, 2022 Replace the First Occurrence of Character in String . Now, let&x27;s see how to use re. lithium stock forecast 2025; dell optiplex 3020 i3; yiddish names and meanings; white trainers to wear with dresses; tagro mix reviews; glock 17. The Match () method is a way to instruct PowerShell to attempt to match a string inside of another string. regex match characters after string (5) Regular Expression (x) assuming x is not last. I want to replace the first occurrence of " (quotation mark space) with " (quotation mark) for each line. is useless here because it matches non-greedy 0 or more characters except new line characters. regex find first instace. and replace occurrences of a regex pattern in the string with a. Mar 06, 2022 Use &92;0 to refer to the whole match, &92;1 for the first capture group, &92;2 and so on for subsequent capture groups. I am doing this because I need the data to get into excel, and excel can only handle 32000. Replace Method (System. Step 5- Traverse the characters in the second part of the string and mirror each character. The string returned is in the same character set as sourcechar. Weekly Downloads. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. It matches the first occurrence of that character. RegularExpressions following methods are offered Regex. To do that, we call replace with a regex that. aiken police department phone number; student abuse at school; td easyweb; cadillac rpo codes by vin. You can replace the first occurrence of a substring using the implode(). 2022 Okt 31. hey guys, i have been trying to work this thing out with sed with no luck i m looking for a way to replace only the first occurrence after a match for . Regex match last occurrence. Remove a part of a CharSequence by replacing the first occurrence of target . 17 janv. Checks whether a string contains any occurrence of PCRE. character in our regular expression matches any single character. specific learning disorder articles large mature nude women love after lockup where are they now 2022 how to turn off hdr on hisense roku tv frog icon picrew tahuya. Default 1 (the search for a match starts at the first character on the left) occurrence Specifies which occurrence of the pattern to replace. Specifies which occurrence of the pattern to replace. Let&39;s say you have a string abc123 and want to check to see if that string starts with an a. Oct 16, 2018 So I need to replace the sequence until the first newline character occurrence. replc This parameter is for replacing the part of the string that is specified. If the pattern is a string value or the Regular Expression does not contain a global flag, only the first occurrence will be replaced. honda passport 2022. Which will change only the first occurrence of the regex match on the line, even if there may be more than one, on the first line that match the regex. To replace the last occurrence of a character in a string in JavaScript, we can use the JavaScript string replace method with a regex. The regular expression answers above are very good performance wise. The replacement pattern can consist of one or more substitutions along with literal characters. is the string to be searched for. The resulting RE isn't going to be that readable though hence why I recommend a simple extension method instead. In this Java program, repstCharStr. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. If you want to do only one substitution per line, take off the g sed &39;s,;&39;. I have tried using like this. 31 mai 2019. At each character, the pattern accepts an opening bracket followed by another character, or the end of the string. In Regex, meta-characters (i. Matches do not overlap. Step 7-Print after string joining as a result. Below given are some examples Example 1. The replacement pattern can consist of one or more substitutions along with literal characters. ) On first glance this is the same in Snowflake as with. Jun 10, 2014 Regex to replace second occurrence of a character. Python re. 2) searchpattern. Jul 20, 2010 In standard systems, you simply write s. For instance, we can write const str &x27;abc&x27;; console. regexreplace uses a regular expression to perform substitution on a sequence of characters 1) Copies characters in the range first,last) to out, replacing any sequences that match re with characters formatted by fmt. Greetings As the title states, I would like how to define a pattern to make regex take the text until the first occurrence for a defined character. For instance, we can write const str &x27;abc&x27;; console. regex find first instace. With GNU sed, you can use the pseudo address 0 sed &39;0,,s;&39; Note I suppose it&39;s a typo, but the. This method is the simplest of the two methods provided here. Each regex expression comes with the following possible flags and typically defaults to using the global flag which will match more than one occurrence g With this flag the search looks for all matches, without it - only the first match is returned i case. So, in a formula tool I&39;m doing the below regex replace operation IF RecordID>1 THEN Regexreplace (DownloadData,"&92;A. Replace first occurrence of a char in a string. regex match to first occurrence. Search for s(w. Syntax re. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. Regex replace first occurrence of character. With GNU sed, you can use the pseudo address 0 sed &39;0,,s;&39; Note I suppose it&39;s a typo, but the. String x23. regex capture everything until match. or after the last character of an input string M5 Regex matching up to the first occurrence of a character This allows to match only the first pair of brackets 16 int indexOf (int ch). Replace matched sequence. a Edit with Regexity. Next, we added the newch to it. It matches the first occurrence of that character. substring(0, i) returns substring up . hasan piker height weight. Syntax re. Regex for password must contain at least eight characters, at least one number and both lower and uppercase letters and special characters 184 Replace all non alphanumeric characters, new lines, and multiple white space with one space. The REGEXPREPLACE function is used to return sourcechar with every occurrence of the regular expression pattern replaced with replacestring. Mar 23, 2016. Regex replace first occurrence of character. May 19, 2020 To replace only the first occurrence of a pattern, use the replaceFirst method scala> val result "123". . tic tac toe game in python assignment expert