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FUNCTIONS / STRING FUNCTIONS AND OPERATORS

Returns first starting index of the specified substring within string, or zero if it's not present.

Signatures & examples

position ( substring text IN string text ) → integer
Returns first starting index of the specified substring within string, or zero if it's not present.
position('om' in 'Thomas') → 3
position ( substring bytea IN bytes bytea ) → integer
Returns first starting index of the specified substring within bytes, or zero if it's not present.
position('\x5678'::bytea in '\x1234567890'::bytea) → 3
position ( substring bit IN bits bit ) → integer
Returns first starting index of the specified substring within bits, or zero if it's not present.
position(B'010' in B'000001101011') → 8
Version history 1
  1. PG 12 → 13changed

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