Functions / String Functions And Operators

regexp_count

Returns the number of times the POSIX regular expression pattern matches in the string; see Section 9.7.3.

Reading PG 18current·documented in 6 of 27 versions, 15 to 20

Signatures & examples

regexp_count ( string text, pattern text [, start integer [, flags text ] ] ) → integer

Returns the number of times the POSIX regular expression pattern matches in the string; see Section 9.7.3.

regexp_count('123456789012', '\d\d\d', 2) → 3

Version history 2

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source