| regcomp | regex.h | Compiles a source regular expression into an executable version. |
| regerror | regex.h | Finds the description for the error code for a regular expression. |
| regexec | regex.h | Compares a string with a regular expression. |
| regfree | regex.h | Frees the memory for a regular expression, removing the compiled regular expression. |
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Alphabetical Listing of IBM C and C++
Compilers Functions and Macros