replace()

Replaces all occurrences in string of substring from with substring to.

Signature

replace ( string text, from text, to text ) → text

Examples

SELECT replace('abcdefabcdef', 'cd', 'XX');
abXXefabXXef

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

Want to run this against your own PostgreSQL server from an iPhone, iPad or Mac? These are ours — every connection goes straight from the device to your database, with no account and no server of ours in between.

Signature and description adapted from the PostgreSQL manual, used under the PostgreSQL License. PostgreSQL is a registered trademark of the PostgreSQL Community Association of Canada. This page is not affiliated with the PostgreSQL Global Development Group.