Regular expression

A regular expression is a string that describes or matches a set Set

In mathematics [i], a set can be thought of as any collection [i] of distinct things considered as a who ... 

 of strings, according to certain syntax rules. Regular expressions are used by many text editor Text editor

A text editor is software application [i] used for editing plain text [i]. ... 

s and utilities to search and manipulate bodies of text based on certain patterns. Many programming languages support regular expressions for string manipulation.

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A regular expression is a string that describes or matches a set Set

In mathematics [i], a set can be thought of as any collection [i] of distinct things considered as a who ... 

 of strings, according to certain syntax rules. Regular expressions are used by many text editor Text editor

A text editor is software application [i] used for editing plain text [i]. ... 

s and utilities to search and manipulate bodies of text based on certain patterns. Many programming languages support regular expressions for string manipulation.

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