Name

substring — returns a substring of a string

Synopsis

substring ( str string ,
from integer ,
sublen integer );

Description

Returns a substring of string str. The start index is 1 based. The substring is sublen characters long.

This function follows SQL 92.

substring('AbracadabrA',1,4) -> 'Abra'
substring('AbracadabrA',5,4) -> 'cada'
substring('AbracadabrA',8,4) -> 'abrA'