Regular Expression English (en) français (fr)

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A regular expression (abbreviated regex or regexp) is a sequence of characters that forms a search pattern, mainly for use in pattern matching with strings, or string matching, i.e. "find and replace"-like operations.[1]

See also

External links

  •, RegExr, a website that allows you to learn and test regular expressions online
  •, RegEx Excel add-in


  1. Wikipedia, Regexp
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