string.sub

Syntax

sr = string.sub(s,i1<,i2>)

Get a sub-string. The starting position of the sub-string is i1. If the optional length, i2, is not specified, then the sub-string contains the remainder of the string.

Returns:

sr - sub-string

Arguments:

s - string

i1 - starting position of the sub-string

i2 - optional length of the sub-string