Invert match with regexp
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Regular expression to match a line that doesn't contain a word
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Regular expression to skip character in capture group
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How do I perform a Javascript match with a pattern that depends on a variable?
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Regular expression to return text between parenthesis
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How can I find and replace only if a match forms a whole word?
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Regex between tags unless escaped
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Regex replacement capture followed by digit
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How can I replace a backslash with a double backslash using RegExp?
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Matching an optional substring in a regex
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program to reverse a string
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Invert case of all letters in a string (uppercase to lowercase and lowercase to uppercase)
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Returning only part of match from Regular Expression
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Need to perform Wildcard (*,?, etc) search on a string using Regex
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How to make  grep display only the matching regexp?
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regexp split string by commas and spaces, but ignore the inside quotes and parentheses
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Regexp Java for password validation
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Escape string for use in Javascript regex