Definition of "regex" []

• Regular expression (noun)

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• "Besides, one of the most useful features of RegEx Buddy is it's plain English regex tree that makes it easy to understand exactly what a regular expression does - step by step."
• "A regular expression (called regex) is a way for a programmer to instruct how a program should look for a specified pattern in text and then what it should do when each pattern match is found."
• "Regular Expressions, or 'regex' for short, are a very powerful set of text manipulation and pattern matching libraries that have existed on UNIX for decades but which are only now available in FileMaker Pro."