{"Entry":{"collection":"func","key":"regexp-match","name":"regexp_match","aliases":[],"metadata":{"changed_in":["19"],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"9.6","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"10"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"},{"descriptions_changed":true,"doc_overhaul":false,"from":"14","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"15"},{"descriptions_changed":true,"doc_overhaul":false,"from":"18","group_changed":null,"signatures":{"added":["regexp_match(string, pattern [, flags]) → text[]"],"removed":[]},"status":"changed","to":"19"}],"content_hash":"8f2b1e6fd9c26d0dc0a4a5180ce7c233a68e751c28ed3258ed71ede27cd3d633","derived_content_hash":"ff58e9f0cdddb93fd4c0a10633ae2344d3cd50c6d371c0177fb404c5e3b1bf8f","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:c95b87e556f7c6f0224db447962faee95cc956fa933c32dd8b99dced47004f2c","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"10","group":"string","group_label":"String Functions And Operators","groups":["string","matching"],"imported_at":"2026-09-14T21:49:48.662253+08:00","last_version":"20","name":"regexp_match","name_key":"regexp_match","position":3030,"present_in":["10","11","12","13","14","15","16","17","18","19","20"],"repair_provenance":{"original_source_revision":"2026-09-14T13:14:25.684213+00:00@99e6866c","receipt_sha256":"c0e73362f93aad4c7c5f272041295f7c874530e412a6bd3937327a890a4caedc","repair":"wiki-repair-20261023"},"signature":"regexp_match ( string text, pattern text [, flags text ] ) → text[]","signature_count":2,"slug":"regexp-match","source_rev":"wiki-repair-20261023:c95b87e556f7c6f0224db447962faee95cc956fa933c32dd8b99dced47004f2c","summary":"Returns substrings within the first match of the POSIX regular expression pattern to the string; 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see Section 9.7.3.","description_html":"Returns substrings within the first match of the POSIX regular expression \u003cem class=\"parameter\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e to the \u003cem class=\"parameter\"\u003e\u003ccode\u003estring\u003c/code\u003e\u003c/em\u003e; see \u003ca href=\"/docs/18/functions-matching.html#FUNCTIONS-POSIX-REGEXP\" title=\"9.7.3. POSIX Regular Expressions\"\u003eSection 9.7.3\u003c/a\u003e.","description_zh":"返回 POSIX 正则表达式 pattern 与 string 的第一次匹配中的子字符串；参见第 9.7.3 节。","description_zh_html":"返回 POSIX 正则表达式 \u003cem class=\"parameter\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e 与 \u003cem class=\"parameter\"\u003e\u003ccode\u003estring\u003c/code\u003e\u003c/em\u003e 的第一次匹配中的子字符串；参见\u003ca href=\"/docs/18/functions-matching.html#FUNCTIONS-POSIX-REGEXP\" title=\"9.7.3. POSIX正则表达式\"\u003e第 9.7.3 节\u003c/a\u003e。","examples":[{"expr":"regexp_match('foobarbequebaz', '(bar)(beque)')","result":"{bar,beque}"}],"html":"\u003ccode class=\"function\"\u003eregexp_match\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003estring\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eflags\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003etext\u003c/code\u003e\u003c/span\u003e] ) → \u003ccode class=\"returnvalue\"\u003etext[]\u003c/code\u003e","returns":"text[]","text":"regexp_match ( string text, pattern text [, flags text] ) → text[]","zh_from":"same-version-manual"}],"translation_provenance":{"inputs":[{"kind":"current-pgdoc-translation","path":"/Users/vonng/pgsty/pgdoc/zh/18/html/functions-string.html","sha256":"0446377e0eccc9299099dc4b4b293204c337e3abefcdc396e9698bc54dd1080b"}],"kind":"same-version-pgdoc","locale":"zh-Hans","source_revision":"b1b500221dbe5437cfca004d6b04d3f6e422765d","version":"18"},"zh_from":"same-version-manual"},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-STRING-OTHER","file":"functions-string.html","sha256":"dbe9f91e55c35969d99a8d2697b6f7bd5388a24ccc2b89706a666f176025f1e2","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"regexp-match","SourceDatabase":"center","Version":"18","Locale":"en","Title":"regexp_match","Summary":"Returns substrings within the first match of the POSIX regular expression pattern to the string; 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