POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standa...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standa...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standa...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standa...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standa...BSD regex functions NAME re_comp, re_exec - BSD regex functions LIBRARY Standard C library ( libc ,...BSD regex functions NAME re_comp, re_exec - BSD regex functions LIBRARY Standard C library ( libc ,......e return value is nonzero. rpmatch () can fail for any of the reasons that regcomp (3) or regexec (3) can fail; the cause of the error is not available from errno or anywhere el…...hree digits). YESEXPR (LC_MESSAGES) Return a regular expression that can be used with the regex (3) function to recognize a positive response to a yes/no question. NOEXPR (LC_ME…...hree digits). YESEXPR (LC_MESSAGES) Return a regular expression that can be used with the regex (3) function to recognize a positive response to a yes/no question. NOEXPR (LC_ME…...IX.) RE_DUP_MAX - _SC_RE_DUP_MAX The number of repeated occurrences of a BRE permitted by regexec (3) and regcomp (3). Must not be less than _POSIX2_RE_DUP_MAX (255). STREAM_MAX…