Definition of regular expression in English:

regular expression

Line breaks: regu|lar ex|pres¦sion


  • A sequence of symbols and characters expressing a string or pattern to be searched for within a longer piece of text.
    More example sentences
    • Instead, you can create customized summaries using regular expressions and other search patterns.
    • Both of these search functions use regular expressions, making them very powerful.
    • A powerful way to process text is using regular expressions.

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Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space