| Function | Header File | Page | Description |
|---|---|---|---|
| regcomp() | regex.h | regcomp() — Compile Regular Expression | Compiles a regular expression. |
| regerror() | regex.h | regerror() — Return Error Message for Regular Expression | Returns error message for regular expression. |
| regexec() | regex.h | regexec() — Execute Compiled Regular Expression | Executes a compiled regular expression. |
| regfree() | regex.h | regfree() — Free Memory for Regular Expression | Frees memory for regular expression. |