contains

The contains function determines whether the first argument string contains the second argument string and returns boolean true or false.

Syntax

contains(haystack, needle)

Parameters

• haystack
  • : The string to be searched
• needle
  • : The string to look for as a substring of haystack

Return value

true if haystack contains needle. Otherwise, false.

Specifications

XPath 1.0 4.2

Gecko support

Supported.