Advanced regexps in javascript (naming, constructing)?

Question

JavaScript

Many languages ​​that work with regexp allow you to pervert it quite well. Where to read adequate information on regexp in javascript? Very interested in the possibility of naming patterns and picking up a new pattern from others.
(: pattern)
[name1|name2|name3]

Answer 1

There is a good article on regular expressions in JS: habrahabr.ru/post/242695
And there, good debugging services: regexper.com and www.regexbuddy.com

Answer 2

Advanced regexps in javascript

js has a very limited implementation of regular expressions, if compared with perl or php, for example. Just basic stuff, just orthodox regular expressions without all these complications.
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