regular expression

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regular expression

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Noun

regular expression (plural regular expressions)

1. (computing theory) A concise description of a regular formal language with notations for concatenation, alternation, and iteration (repetition) of subexpressions.
2. (computing, more generally) Any pattern for text matching or searching, frequently offering more or less functionality than a theoretical regular expression.

Synonyms

• regex
• regexp

Derived terms

• grep
• PCRE
• re
• regex
• regexp

Translations

computing: a concise description of a pattern to be matched

Chinese: Mandarin: 正則表達式 / 正则表达式 (zh) (zhèngzé biǎodáshì), 正規表示法 / 正规表示法 (zhèngguī biǎoshìfǎ), 常規表示法 / 常规表示法 (chángguī biǎoshìfǎ) Czech: regulární výraz m Finnish: säännöllinen lauseke (fi) French: expression rationnelle (fr) f, expression régulière (fr) f German: regulärer Ausdruck m, RegExp m, Regex m Greek: κανονική έκφραση (el) f (kanonikí ékfrasi) Hungarian: reguláris kifejezés (hu) Icelandic: regluleg segð f Italian: espressione regolare (it) f Japanese: 正規表現 (せいきひょうげん, sēkihyōgen) Persian: عبارت باقاعده ('ebârat-e bâqâ'ede) Polish: wyrażenie regularne n Portuguese: expressão regular f Russian: регуля́рное выраже́ние (ru) n (reguljárnoje vyražénije), (slang) регэ́ксп m (rɛgɛ́ksp), реге́кс m (rɛgɛ́ks) Spanish: expresión regular f Swedish: reguljärt uttryck Thai: นิพจน์ปรกติ, นิพจน์ปกติ Turkish: düzenli ifade (tr)