| regex.3 (119893) | regex.3 (131504) |
|---|---|
| 1.\" Copyright (c) 1992, 1993, 1994 Henry Spencer. 2.\" Copyright (c) 1992, 1993, 1994 3.\" The Regents of the University of California. All rights reserved. 4.\" 5.\" This code is derived from software contributed to Berkeley by 6.\" Henry Spencer. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)regex.3 8.4 (Berkeley) 3/20/94 | 1.\" Copyright (c) 1992, 1993, 1994 Henry Spencer. 2.\" Copyright (c) 1992, 1993, 1994 3.\" The Regents of the University of California. All rights reserved. 4.\" 5.\" This code is derived from software contributed to Berkeley by 6.\" Henry Spencer. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 20 unchanged lines hidden (view full) --- 29.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)regex.3 8.4 (Berkeley) 3/20/94 |
| 37.\" $FreeBSD: head/lib/libc/regex/regex.3 119893 2003-09-08 19:57:22Z ru $ | 37.\" $FreeBSD: head/lib/libc/regex/regex.3 131504 2004-07-02 23:52:20Z ru $ |
| 38.\" 39.Dd October 2, 2002 40.Dt REGEX 3 41.Os 42.Sh NAME 43.Nm regcomp , 44.Nm regexec , 45.Nm regerror , --- 513 unchanged lines hidden (view full) --- 559or follow 560.Ql ^\& 561or 562.Ql |\& . 563.Pp 564.Ql |\& 565cannot appear first or last in a (sub)expression or after another 566.Ql |\& , | 38.\" 39.Dd October 2, 2002 40.Dt REGEX 3 41.Os 42.Sh NAME 43.Nm regcomp , 44.Nm regexec , 45.Nm regerror , --- 513 unchanged lines hidden (view full) --- 559or follow 560.Ql ^\& 561or 562.Ql |\& . 563.Pp 564.Ql |\& 565cannot appear first or last in a (sub)expression or after another 566.Ql |\& , |
| 567i.e. an operand of | 567i.e., an operand of |
| 568.Ql |\& 569cannot be an empty subexpression. 570An empty parenthesized subexpression, 571.Ql "()" , 572is legal and matches an 573empty (sub)string. 574An empty string is not a legal RE. 575.Pp --- 70 unchanged lines hidden (view full) --- 646or 647.Ql +\& 648operand invalid 649.It Dv REG_EMPTY 650empty (sub)expression 651.It Dv REG_ASSERT 652can't happen - you found a bug 653.It Dv REG_INVARG | 568.Ql |\& 569cannot be an empty subexpression. 570An empty parenthesized subexpression, 571.Ql "()" , 572is legal and matches an 573empty (sub)string. 574An empty string is not a legal RE. 575.Pp --- 70 unchanged lines hidden (view full) --- 646or 647.Ql +\& 648operand invalid 649.It Dv REG_EMPTY 650empty (sub)expression 651.It Dv REG_ASSERT 652can't happen - you found a bug 653.It Dv REG_INVARG |
| 654invalid argument, e.g. negative-length string | 654invalid argument, e.g.\& negative-length string |
| 655.El 656.Sh HISTORY 657Originally written by 658.An Henry Spencer . 659Altered for inclusion in the 660.Bx 4.4 661distribution. 662.Sh BUGS --- 65 unchanged lines hidden --- | 655.El 656.Sh HISTORY 657Originally written by 658.An Henry Spencer . 659Altered for inclusion in the 660.Bx 4.4 661distribution. 662.Sh BUGS --- 65 unchanged lines hidden --- |