fn.substringAfter( $input as String?, $after as String?, [$collation as String] ) as String?
Returns the substring created by taking all of the input characters that occur after the specified $after characters.
|$input||The string from which to create the substring.|
|$after||The string after which the substring is created.|
|$collation||The optional name of a valid collation URI. For information on the collation URI syntax, see the Search Developer's Guide.|
fn.substringAfter("123456", "3"); => "456"