Because LC can't do two things at once.

Kay C Lan lan.kc.macmail at gmail.com
Sun Feb 22 16:18:09 CET 2015


On Sun, Feb 22, 2015 at 5:59 AM, Michael Doub <mikedoub at gmail.com> wrote:

>
> http://www.regular-expressions.info/charclasssubtract.html  -- great
> tutorials and lots of examples
> https://regex101.com  -- my favorite testing engine, I love the way it
> explains what is actually going on
> http://www.regexr.com  -- a whole library of interesting examples in the
> community area.
>
> It should be noted that only regex101.com gives you the option to choose
the flavour of regex to test. Most online regex sites use JavaScript yet LC
uses the PCRE regex Library so it is possible on other sites that regex
examples may not give the same results within LC.

If planning to use regex within LC I strongly recommend using regex101.com
and selecting pcre(php) from the top left 3 options.


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