{"Entry":{"collection":"func","key":"regexp-matches","name":"regexp_matches","aliases":[],"metadata":{"changed_in":["19"],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"8.2","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"8.3"},{"descriptions_changed":true,"doc_overhaul":false,"from":"9.6","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","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_matches(string, pattern [, flags]) → setof text[]"],"removed":[]},"status":"changed","to":"19"}],"content_hash":"3d7ee26997bec8d08eb20a16bbd6cb1f372c9d2d68a3e3ea2d4f6719d35b66f0","derived_content_hash":"b7e470d1c141077b0976ac08a09b9c3fffc6ac4d80005e419d2da24974d9022b","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:5a96a9bf65c3c57bb6401c51edc18a89161804db904575f628e4392d5bb490d4","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"8.3","group":"string","group_label":"String Functions And Operators","groups":["string","matching"],"imported_at":"2026-09-27T17:57:28.393171+08:00","last_version":"20","name":"regexp_matches","name_key":"regexp_matches","position":3031,"present_in":["8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"repair_provenance":{"original_source_revision":"wiki-repair-20261023:db205a7ea54c8669fde770a5c9d0e9419bcdd5c6ad7df5f7f96f4d8514039d94","receipt_sha256":"ff5aa65f80ab5e60cc70230ad0daecd26aa9dcbbb5dd797de1a7f8eb9e45a47d","repair":"wiki-repair-20261023"},"signature":"regexp_matches ( string text, pattern text [, flags text ] ) → setof text[]","signature_count":2,"slug":"regexp-matches","source_rev":"wiki-repair-20261023:5a96a9bf65c3c57bb6401c51edc18a89161804db904575f628e4392d5bb490d4","summary":"Returns substrings within the first match of the POSIX regular expression pattern to the string, or substrings within all such matches if the g flag is used; 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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, or substrings within all such matches if the \u003ccode class=\"literal\"\u003eg\u003c/code\u003e flag is used; 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；如果使用 g 标志，则返回所有匹配中的子字符串。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；如果使用 \u003ccode class=\"literal\"\u003eg\u003c/code\u003e 标志，则返回所有匹配中的子字符串。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_matches('foobarbequebaz', 'ba.', 'g')","result":"{bar}\n{baz}"}],"html":"\u003ccode class=\"function\"\u003eregexp_matches\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\"\u003esetof text[]\u003c/code\u003e","returns":"setof text[]","text":"regexp_matches ( string text, pattern text [, flags text] ) → setof 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-matches","SourceDatabase":"center","Version":"18","Locale":"en","Title":"regexp_matches","Summary":"Returns substrings within the first match of the POSIX regular expression pattern to the string, or substrings within all such matches if the g flag is used; see Section 9.7.3.","BodyHTML":"Returns substrings within the first match of the POSIX regular expression \u003cem\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e to the \u003cem\u003e\u003ccode\u003estring\u003c/code\u003e\u003c/em\u003e, or substrings within all such matches if the \u003ccode\u003eg\u003c/code\u003e flag is used; see \u003ca href=\"/docs/18/functions-matching.html#FUNCTIONS-POSIX-REGEXP\" rel=\"nofollow\"\u003eSection 9.7.3\u003c/a\u003e.","SourceRevision":"wiki-repair-20261023:5a96a9bf65c3c57bb6401c51edc18a89161804db904575f628e4392d5bb490d4","ContentHash":"2ca4d1d09a909f7760d1c238ba0acfedb2febde92a1027a6ba96ab401910a6cc","Payload":{"description":"Returns substrings within the first match of the POSIX regular expression pattern to the string, or substrings within all such matches if the g flag is used; 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, or substrings within all such matches if the \u003ccode class=\"literal\"\u003eg\u003c/code\u003e flag is used; 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.","signatures":[{"description":"Returns substrings within the first match of the POSIX regular expression pattern to the string, or substrings within all such matches if the g flag is used; 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, or substrings within all such matches if the \u003ccode class=\"literal\"\u003eg\u003c/code\u003e flag is used; 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；如果使用 g 标志，则返回所有匹配中的子字符串。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；如果使用 \u003ccode class=\"literal\"\u003eg\u003c/code\u003e 标志，则返回所有匹配中的子字符串。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_matches('foobarbequebaz', 'ba.', 'g')","result":"{bar}\n{baz}"}],"html":"\u003ccode class=\"function\"\u003eregexp_matches\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\"\u003esetof text[]\u003c/code\u003e","returns":"setof text[]","text":"regexp_matches ( string text, pattern text [, flags text] ) → setof text[]","zh_from":"same-version-manual"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"b31962a0d3cec928bffc7ba3e73e0199792cc88d0b9f29eaf8206e96a9be646c","Text":"regexp_matches ( string text, pattern text [, flags text] ) → setof text[]","Returns":"setof text[]","Payload":{"description":"Returns substrings within the first match of the POSIX regular expression pattern to the string, or substrings within all such matches if the g flag is used; 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