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Learning WML, and WMLScript by Martin Frost

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Chapter 17. The String Library

The String standard library contains routines for string manipulation. This includes functions for extracting individual characters from strings, for finding the lengths of strings, and also for treating strings as arrays of values and operating on them on this basis.

It’s important to note that none of these functions actually changes the strings passed as arguments. Functions that claim to modify strings simply return a new string with the modification. The original is always unchanged.

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