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General Programming Concepts: Writing and Debugging Programs

List of Regular Expression Subroutines

The following subroutines handle regular expressions:

regcomp Compiles a regular expression for comparison by the regexec subroutine.
regerror Returns the error message, appropriate for the current locale, that corresponds to the error code returned by either the regcomp or regexec subroutine.
regexec Compares a string with a compiled regular expression from a previous call to the regcomp subroutine.
regfree Frees any memory allocated by a previous call to the regcomp subroutine.

For more information about multibyte character subroutines see "National Language Support Subroutines Overview".

For more NLS subroutines see "List of National Language Support Subroutines".


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