Regular Expression Match variable multiple lines?
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How do I match any character across multiple lines in a regular expression?
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How do you use a variable in a regular expression?
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Replacing pattern after nth match is found on each line?
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Is there something like a counter variable in regular expression replace?
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How to find files containing two strings in different lines
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What to do Regular expression pattern doesn't match anywhere in string?
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JavaScript regex pattern concatenate with variable
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Capturing multiple line output into a Bash variable
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search multiple pattern in file and delete line if pattern matches
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How to split long sed expression into multiple lines?
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Is there a regular expression to detect a valid regular expression?
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Regexp that matches valid regexps
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Regex to match any character including new lines
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How to find lines matching a pattern and delete them?
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How to grep-inverse-match and exclude "before" and "after" lines
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Python regular expressions - how to capture multiple groups from a wildcard expression?
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Find each line matching a pattern but print only the line above it