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How to Regex search/replace only first occurrence in a string in .NET?
How do I make Regex.Replace replace only the first found pattern?
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The \[[^\]]*]\[ matches [ , then any 0+ chars other than ] and then ][ . The (...) forms a capturing group #1, it will remember the value that you will be able to get into the replacement with $1 backreference. [^\]]* matches 0+ chars other than ] and this will be replaced.
In a specified input string, replaces all strings that match a specified regular expression with a specified replacement string. In a specified input string, replaces all substrings that match a specified regular expression with a string returned by a MatchEvaluator delegate.
subn() If you want to replace a string that matches a regular expression (regex) instead of perfect match, use the sub() of the re module. In re. sub() , specify a regex pattern in the first argument, a new string in the second, and a string to be processed in the third.
How to use RegEx with . replace in JavaScript. To use RegEx, the first argument of replace will be replaced with regex syntax, for example /regex/ . This syntax serves as a pattern where any parts of the string that match it will be replaced with the new substring.
What about Regex.Replace ( String, String, Int32 ) (MSDN) ?
An example:
Regex rgx = new Regex(pattern); string result = rgx.Replace(str, replacement, 1); // The 1 makes the difference If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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