Bash regular expressions

[Boris Toloknov]

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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