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WMLScript Reference WMLScript Reference

WMLScript > String > find()

find() - The find Function

Usage:

find(string, subString)

Description: Returns the index of the first character in the string that matches the requested subString. If no match is found integer value -1 is returned.

Two strings are defined to match when they are indentical. Characters with multiple possible representations match only if they have the same representation in both strings. No case folding is performed.

Example:

var a = "abcde";
var b = String.find(a, "cd");        // b = 2
var c = String.find(34.2, "de");     // c = -1
var d = String.find(a, "qz");        // d = -1
var e = String.find(34, "3");        // e = 0
var f = String.find(a, "");          // f = invalid

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