what are regular expressions

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Asked 2/11/2008 4:28:55 PM

Updated 10/13/2015 12:03:02 PM

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jeifunk

A regular expression (regex or regexp for short) is a special text string for describing a search pattern.

Added 10/13/2015 12:03:02 PM

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what is gypsum

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alfred123

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O.

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what is regex

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Updated 6/1/2014 12:12:05 AM

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jerry06

In theoretical computer science and formal language theory, 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.

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