On 31 Oct 2013, at 22:07, Kyle Sluder <k...@ksluder.com> wrote:

>> On Oct 31, 2013, at 6:10 AM, "Gerriet M. Denkmann" <gerr...@mdenkmann.de> 
>> wrote:
> 
>> 
>> I have an NSSearchField with sendsWholeSearchString = NO in order to do 
>> incremental searches.
>> But if the content of the search field is a regular expression, I only want 
>> to process it when the regular expression is complete, i.e. when the user 
>> enters CR (aka "return").
>> 
>> Is there a way to distinguish between actionMethod is called because some 
>> character was added, or because the user hit CR?
> 
> How do you determine whether the user is entering a regex? All plain strings 
> are valid regexes.
My regexes must start with some special character (e.g. '@', which is not part 
of the regex).

> I would think the best approach is to offer a checkbox to switch between 
> plain text and regex search.
Agreed, but there are too many switches already in my case.

> If you're dead-set on not offering a toggle, you could always ignore regex 
> searches in the action method and implement 
> -control:textView:doCommandBySelector: to process regexes when the field 
> editor gets insertNewline:.

This is an excellent idea and works perfectly for me. Thank you very much 
indeed!


Kind regards,

Gerriet.


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