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author | green <green@FreeBSD.org> | 2000-03-19 19:41:53 +0000 |
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committer | green <green@FreeBSD.org> | 2000-03-19 19:41:53 +0000 |
commit | f556f75f097948e646fbe6280de86340d9c61536 (patch) | |
tree | a0145a0375e2ba963ee958d5f9b063f3b096f96f /usr.bin/sed/sed.1 | |
parent | 064bd228d5ad21266eb47066be18837efeaf9435 (diff) | |
download | FreeBSD-src-f556f75f097948e646fbe6280de86340d9c61536.zip FreeBSD-src-f556f75f097948e646fbe6280de86340d9c61536.tar.gz |
Add a new flag: -E enables "extended" regular expressions.
Diffstat (limited to 'usr.bin/sed/sed.1')
-rw-r--r-- | usr.bin/sed/sed.1 | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/usr.bin/sed/sed.1 b/usr.bin/sed/sed.1 index 31286c5..936b754 100644 --- a/usr.bin/sed/sed.1 +++ b/usr.bin/sed/sed.1 @@ -43,11 +43,11 @@ .Nd stream editor .Sh SYNOPSIS .Nm sed -.Op Fl an +.Op Fl Ean .Ar command .Op Ar file ... .Nm sed -.Op Fl an +.Op Fl Ean .Op Fl e Ar command .Op Fl f Ar command_file .Op Ar file ... @@ -70,6 +70,11 @@ regardless of their origin. .Pp The following options are available: .Bl -tag -width indent +.It Fl E +Interpret regular expressions as extended (modern) regular expressions +rather than basic regular expressions (BRE's). The +.Xr re_format 7 +manual page fully describes both formats. .It Fl a The files listed as parameters for the .Dq w @@ -164,10 +169,13 @@ The .Nm regular expressions are basic regular expressions (BRE's, see .Xr regex 3 -for more information). -In addition, +for more information) by default. +.Nm +can use extended (modern) regular expressions instead if the +.Fl E +flag is given. In addition, .Nm -has the following two additions to BRE's: +has the following two additions to regular expressions: .sp .Bl -enum -compact .It |