Date: Sat, 09 Aug 2025 02:22:46 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 253893] sed "/^\s*$/d" complains about trailing backslash (\) Message-ID: <bug-253893-227-ZU6fsihSqo@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-253893-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253893 --- Comment #28 from Kyle Evans <kevans@freebsd.org> --- (In reply to Eric from comment #26) I was looking at this one again, and I think libregex is mostly fine here: --- % echo 'a b' | grep '[a\s]b' % echo 'asb' | grep -o '[a\s]b' sb % echo 'a\\b' | grep -o '[a\s]b' \b % grep -V grep (GNU grep) 3.7 Copyright (C) 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Mike Haertel and others; see <https://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS>. --- On FreeBSD: --- kevans@ifrit:~$ echo 'a b' | grep '[a\s]b' kevans@ifrit:~$ echo 'asb' | grep -o '[a\s]b' sb kevans@ifrit:~$ echo 'a\\b' | grep -o '[a\s]b' \b kevans@ifrit:~$ grep -V grep (BSD grep, GNU compatible) 2.6.0-FreeBSD --- -- You are receiving this mail because: You are the assignee for the bug.home | help
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