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Annotation of researchv10dc/man/mana/regex.3, revision 1.1

1.1     ! root        1: .TH REGEX 3 deprecated
        !             2: .SH NAME
        !             3: re_comp, re_exec \(mi regular expression handler
        !             4: .SH SYNOPSIS
        !             5: .nf
        !             6: .B char *re_comp(s)
        !             7: .B char *s;
        !             8: .PP
        !             9: .B re_exec(s)
        !            10: .B char *s;
        !            11: .fi
        !            12: .SH DESCRIPTION
        !            13: .I Re_comp
        !            14: compiles a regular expression into an internal form suitable for
        !            15: pattern matching.
        !            16: .I Re_exec
        !            17: checks the argument string against the last string passed to
        !            18: .I re_comp.
        !            19: .PP
        !            20: .I Re_comp
        !            21: returns
        !            22: .L 0
        !            23: if the string
        !            24: .I s
        !            25: was compiled successfully; otherwise a string containing an
        !            26: error message is returned. If
        !            27: .I re_comp
        !            28: is passed
        !            29: .L 0
        !            30: or a null string, it returns without changing the currently
        !            31: compiled regular expression.
        !            32: .PP
        !            33: .I Re_exec
        !            34: returns 1 if the string
        !            35: .I s
        !            36: matches the last compiled regular expression,
        !            37: .L 0
        !            38: if the string
        !            39: .I s
        !            40: failed to match the last compiled regular expression, and
        !            41: .L -1
        !            42: if the compiled regular expression was invalid (indicating an
        !            43: internal error).
        !            44: .PP
        !            45: The strings passed to both
        !            46: .I re_comp
        !            47: and
        !            48: .I re_exec
        !            49: may have trailing or embedded newline characters;
        !            50: they are terminated by nulls.
        !            51: The regular expressions are otherwise as described for
        !            52: .IR ed (1).
        !            53: .SH "SEE ALSO"
        !            54: .IR ed (1), 
        !            55: .IR expr (1), 
        !            56: .IR regexp (3)
        !            57: .SH DIAGNOSTICS
        !            58: .I Re_exec
        !            59: returns
        !            60: .L -1
        !            61: for an internal error.
        !            62: .SH BUGS
        !            63: These routines have been superseded by
        !            64: the more general routines of
        !            65: .IR regexp (3).
        !            66: They have been retained only for compatibility.

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