Regex Golf

https://alf.nu/RegexGolf

1 warmup

warmup.png

2 Anchors

Anchors.png

3 It never ends

It never ends.png It never ends.png It never ends.png

4 Ranges

Ranges.png

5 Backrefs

Backrefs.png

6 Abba

Abba.png Abba.png

7 A man, a plan

A man, a plan.png

8 Prime

Prime.png Prime.png

正则表达式手册

http://tool.oschina.net/uploads/apidocs/jquery/regexp.html