Date: Sat, 12 Dec 2020 07:14:08 +0000
From: bugzilla-noreply@freebsd.org
To: bugs@FreeBSD.org
Subject: [Bug 251775] bsdgrep: egrep regards '{foo}' as invalid regular expression
Message-ID: <bug-251775-227-mTSa8yjvLW@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-251775-227@https.bugs.freebsd.org/bugzilla/>
References: <bug-251775-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251775 --- Comment #4 from Yuri Pankov <yuripv@FreeBSD.org> --- (In reply to Yasuhiro KIMURA from comment #3) As a matter of fact, yes: * '(foo|)': ---------------------------------------------------------------------- | The vertical-line is special except when used in a bracket expression. A vertical-line appearing first or last in an ERE, or immediately following a vertical-line or a left-parenthesis, or immediately preceding a right-parenthesis, produces undefined results. ---------------------------------------------------------------------- * '.{0,256}': We have RE_DUP_MAX defined to 255 (see /usr/include/limits.h). For reference: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html -- You are receiving this mail because: You are the assignee for the bug.help
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