Created
December 20, 2013 19:46
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The best answers to: http://regex.alf.nu/
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| foo | |
| k$ | |
| [a-f]{4} | |
| (...).*\1 | |
| ^(?!.*(.)(.)\2\1) | |
| ^(.)(.).*\2\1$ | |
| ^(?!(xx+)\1+$) | |
| (.)(.\1){3} | |
| ^.{5}[^e]?$ | |
| ^(([147]4|40|3[269]|9[05]|[378]1).+|0[369]*|[81][257])*$ | |
| (rr|ll|[lbr]o|en|ta|y|cr|eat|up).*\1 | |
| ^(<(<(<(<(<(<<>>)*>)*>)*>)*>)*>)*$ | |
| ^(x|(xx){1,9}|x{32}|(x{64})+)$ |
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