Name

index

Synopsis

index string, substr, [start]

Returns the position of the first occurrence of substr in string. The start, if specified, specifies the position to start looking in the string. Positions are integer numbers based at 0. If the substring is not found, the index function returns -1.

Get Perl in a Nutshell, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.