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Find both pattern and position of multiple regex matches in Ruby
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Extract digits from a string in Java
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How to determine if string contains specific substring within the first X characters
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AWK: Access captured group from line pattern
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Using regular expressions to grab initial letters of string while preserving punctuation and white space
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Get the index of the nth occurrence of a string?
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Extract a string between patterns/delimiters in R
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Efficiently finding the intersection of a variable number of sets of strings
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How to grab seperated integers from long string
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Reference to groups in a MySQL regex?
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Match a string against multiple patterns
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PHP: How do I get the string indexes of a preg_match_all?
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How can I get last characters of a string
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How to determine if a string contains any matches of a list of strings
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How do I specify a dynamic position for the start of substring?
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Find the position of a string element, knowing only part of the string
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How to count of sub-string occurrences?