[wplug] OT: Emacs, regular expressions and syntax highlighting

[Terence J. Golightly]

On 04/03/2013 03:55 PM, George Larson wrote:
> On Wed, Apr 3, 2013 at 3:01 AM, Brian Sammon <
> wplug-list at brisammon.fastmail.fm> wrote:
>
>>
>> I don't think this will work the way he wants -- because you have it doing
>> (?<!no ) OR (?<!no evidence of ) .
>>
>> I think the following would work:
>>    (?<!no(?: evidence of)? )foo
>>
>>
> In brief tests on RegExr, that didn't work for me.  This seems to work:
>
> (?<!no )(?<!no evidence of )foo
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List,

Are regular expressions standardized at all between applications?  Bash, 
Sed, Awk, Emacs, Vi/Vim etc, etc.

Terry Golightly
Treasurer  Your WPLUG

-- 
terencejgolightly at gmail.com