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Old 11-18-2017, 04:46 AM   #1
justfeelus
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Regex

What is regex? where to use it and why to use it?
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Old 11-18-2017, 11:14 PM   #2
AmandaCherry
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A regular expression, regex or regexp (sometimes called a rational expression) is, in theoretical computer science and formal language theory, a sequence of characters that define a search pattern. Usually this pattern is then used by string searching algorithms for "find" or "find and replace" operations on strings.
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