GT_ATDIFF()

Return the position where two strings begin to differ

Syntax

GT_AtDiff(<cStr1>, <cStr2>) --> nPos

Arguments

<cStr1> - A character string to compare <cStr2> - The string to compare with

Returns

<nPos> - The position in <cStr2> where <cStr1> begins to differ

Description

Return the position in <cStr2> where <cStr1> begins to differ. If the strings differ in the first character GT_AtDiff() will return 1. If the two strings are identical (or identical upto the last character in <cStr2>) the function will return 0.

NOTE: invalid parameters will return -1

      ? gt_atDiff("the cat", "the rat")          // prints 5
      ? gt_atDiff("the cat", "the ")             // prints 0

Status

Ready

Files

Library is libgt