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The following listing contains the interface of the RegEx unit.
This unit provides routines to match strings against regular expressions and perform substitutions using matched subexpressions. Regular expressions are strings with some characters having special meanings. They describe (match) a class of strings. They are similar to wild cards used in file name matching, but much more powerful.
To use this unit, you will need the `rx' library which can be found in http://www.gnu-pascal.de/libs/.
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