diff options
| author | Paolo Bonzini <bonzini@gnu.org> | 2010-10-31 22:56:15 +0100 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gnu.org> | 2010-10-31 22:56:15 +0100 |
| commit | 8eee8cbf0e93d8b3695225dc1db0b8ea27c6cf11 (patch) | |
| tree | 55a33cfd8e08d49fcf640d8e319083668a16eb73 /doc/sed-in.texi | |
| parent | deb6f38c216948fcdd5d910a1dc30e830251eaf0 (diff) | |
| download | sed-8eee8cbf0e93d8b3695225dc1db0b8ea27c6cf11.tar.gz | |
2010-10-31 Gerald Pfeifer <gerald@pfeifer.com>
* doc/sed-in.texi (Extended regexps): Add '|' to the list of
differences. Note that "\|" is a GNU extension to begin with.
Diffstat (limited to 'doc/sed-in.texi')
| -rw-r--r-- | doc/sed-in.texi | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/doc/sed-in.texi b/doc/sed-in.texi index 00874ba..494e832 100644 --- a/doc/sed-in.texi +++ b/doc/sed-in.texi @@ -2824,10 +2824,12 @@ the @env{LC_COLLATE} and @env{LC_CTYPE} environment variables to @samp{C}. The only difference between basic and extended regular expressions is in the behavior of a few characters: @samp{?}, @samp{+}, parentheses, -and braces (@samp{@{@}}). While basic regular expressions require -these to be escaped if you want them to behave as special characters, -when using extended regular expressions you must escape them if -you want them @emph{to match a literal character}. +braces (@samp{@{@}}), and @samp{|}. While basic regular expressions +require these to be escaped if you want them to behave as special +characters, when using extended regular expressions you must escape +them if you want them @emph{to match a literal character}. @samp{|} +is special here because @samp{\|} is a GNU extension -- standard +basic regular expressions do not provide its functionality. @noindent Examples: |