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Re: Bash regular expressions
- From: Boris Toloknov <tlknv at yandex dot ru>
- To: Eric Blake <ebb9 at byu dot net>
- Cc: cygwin at cygwin dot com
- Date: Wed, 20 Dec 2006 10:00:00 -0500
- Subject: Re: Bash regular expressions
- References: <45884F6E.5070701@yandex.ru> <4588BC85.2090902@byu.net>
I tried:
[[ abc =~ a.*c ]] && echo It works
It doesn't work too.
I did't try bash from gnu.org yet but debian bash (version 3.1.0(1)) works with and without quotes.
Boris
Eric Blake wrote:
According to Boris Toloknov on 12/19/2006 1:45 PM:
It seems that regular expressions [[ str =~ regex ]] do not work in bash.
For example the following expression doesn't match:
[[ abc =~ 'a.*c' ]] && echo It works
In bash 3.2, the [[ ]] quoting rules changed slightly. Since [[ already
introduces special quoting rules, single quotes are not required; the
regex is already protected by the shell from globbing. Try this instead:
[[ abc =~ a.*c ]] && echo It works
And since none of this is cygwin specific, you should report this upstream
to bug-bash AT gnu DOT org if you think it is a bug.
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