Grouping parantheses instead of capturing parantheses

pull/443/head
rebeka-catalina 2017-11-08 16:14:35 +01:00
parent 791579f10b
commit 4b4775812b
1 changed files with 19 additions and 1 deletions

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@ -47,7 +47,25 @@ done with a single regex, which matches all of them:
Another use case could be, that you are simply not Another use case could be, that you are simply not
interested in postings about christmas. interested in postings about christmas.
/christmas([-_ ]?(tree|time|eve|pudding))?/ /christmas([-_ ]?(?:tree|time|eve|pudding))?/
ATTENTION:
It is absolutely important, that you use grouping
parantheses instead of capturing parantheses!!
Grouping parantheses are:
(?: )
If you use capturing parantheses, which are
( )
it will produce errors and the regex won't work and
at least your targets will not get collapsed.
3) 3)