Re: RegExp: match everything except a certain string

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

Sven Bretfeld wrote:
> Hello Andreas
> 
> Andreas Röhler <andreas.roehler@online.de> writes:
> 
>>>  author = {somename},
>>>  editor = {},
>>>  title = {sometitle},
>>>  subtitle = {},
>>>  series = {},
>>>  url = {}
>>>
>>> I want to find a regexp that matches every line with empty {} except
>>> of the "subtitle line". I've come that far:
>>>
>> Got it with:
>>
>> [^s]?[^u]?[^b]?[^t]?[^i]?[^t]?[^l]?[^e] = {},?$
>>
>> Please don't ask why :)
> 
> That's working. Thanks. (I don't ask.)
> 
>> Anyway--you will know that and it's not the precise
>> answer-- it might be useful to point at
>>
>> M-x shell-command-on-region
>>
>> grep {} | sed /subtitle/d
>>
>> as an easy-to-use solution.
> 
> It's a good idea to use a sed pipe. But it doesn't matter how much
> there is to type, since I need the expression for a function. So I
> only have to type it once.

Then it is probably much easier to use two step aproach:

1) use a simpler regexp
2) test if "subtitle" was in the match