regexp_count()

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

Signature

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

Examples

SELECT regexp_count('123456789012', '\d\d\d', 2);
3

Run against PostgreSQL 18.6 on 2026-09-13. This is the output we got, not the documentation’s.

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