Re: bash-4.3.33 regexp bug

[Chet Ramey]

On 3/5/15 9:51 AM, Eduardo A. Bustamante López wrote:
> On Thu, Mar 05, 2015 at 02:26:48PM +0000, Jason Vas Dias wrote:
>> Good day list, Chet -
>>
>> I think this is a bug:
>> ( set -x ;  tab=$'\011';  s="some text: 1.2.3";
>>   if [[ "$s" =~ ^some text:[\ $tab]+([0-9.]+) ]]; then
>>     echo "${BASH_REMATCH[1]}";
>>   fi
>> )
>> -bash: syntax error in conditional expression
>> -bash: syntax error near `$tab]+([0-9.]+)'
>>
> From a quick glance, it does seem like a parsing bug, it should not break with
> a syntax error.

It's not a bug; the space between ^some and text needs to be escaped
somehow to prevent it breaking words.


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/