regcomp
extern int regcomp (regex_t *__restrict __preg,
_regExpValid = (regcomp(&_regExp, (pattern.Length() > 0) ? pattern.String() : str, 0) == 0);
extern int regcomp _RE_ARGS ((regex_t *preg, const char *pattern, int cflags));
fError = regcomp(&fCompiledExpression, pattern, flags);
ma->error = regcomp((regex_t *)ma->matchdata, match, REG_EXTENDED | REG_NOSUB | REG_NEWLINE | ((flags & SEARCH_NOCASE) ? REG_ICASE : 0));
weak_alias (__regcomp, regcomp)