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re_comp(3) GNU re_comp(3)
re_comp, re_exec - BSD regex functions
char *re_comp(char *regex);
int re_exec(char *string);
re_comp is used to compile the null-terminated regular expression pointed to by regex.
The compiled pattern occupies a static area, the pattern buffer, which is overwritten by
subsequent use of re_comp. If regex is NULL, no operation is performed and the pattern
buffer's contents are not altered.
re_exec is used to assess whether the null-terminated string pointed to by string matches
the previously compiled regex.
re_comp returns NULL on successful compilation of regex otherwise it returns a pointer to
an appropriate error message.
re_exec returns 1 for a successful match, zero for failure.
regex(7), GNU regex manual
Linux 1995-07-14 re_comp(3)
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