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(.*?) regex  RSS feed

 
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Hi.
What does this regex mean ?
(.*?)
. means any charachter.
* means zero or more.
? means zero or one.
.* means zero or more of any charachters, but what about ? after them ?
thanks.
 
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A "?" behind a quantifier (such as "*") changes it from greedy to reluctant. A greedy quantifier will always try to find the maximum match, whereas a reluctant one finds the minimum one.
 
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