Created
October 26, 2011 09:22
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ruby regex
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| ruby-1.9.2-p290 :059 > u = "validusername" | |
| => "validusername" | |
| ruby-1.9.2-p290 :060 > u !~ /^[a-z0-9\-_]$/ | |
| => true | |
| ruby-1.9.2-p290 :061 > u = "not a valid.username" | |
| => "not a valid.username" | |
| ruby-1.9.2-p290 :062 > u !~ /^[a-z0-9\-_]$/ | |
| => true |
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