Functions / String Functions And Operators

normalize

Converts the string to the specified Unicode normalization form.

Reading PG 18current·documented in 8 of 27 versions, 13 to 20

7.1 7.2 7.3 7.4 8.0 8.1 8.2 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

Signatures & examples

normalize ( text [, form ] ) → text

Converts the string to the specified Unicode normalization form. The optional form key word specifies the form: NFC (the default), NFD, NFKC, or NFKD. This function can only be used when the server encoding is UTF8.

normalize(U&'\0061\0308bc', NFC) → U&'\00E4bc'

Version history 1

12 → 13 added

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