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lovitt/gist:4495868

Created January 9, 2013 19:02
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gistfile1.txt
$ irb
ree-1.8.7-2011.03 :026 > r1 = /\A[a-zA-Z]/
=> /\A[a-zA-Z]/
ree-1.8.7-2011.03 :027 > r2 = /^[a-zA-Z]/
=> /^[a-zA-Z]/
ree-1.8.7-2011.03 :028 > s = "aAAAAA
ree-1.8.7-2011.03 :029"> AaAAaAA
ree-1.8.7-2011.03 :030"> Bbbbbb
ree-1.8.7-2011.03 :031"> *fjkdjfdskj
ree-1.8.7-2011.03 :032"> &fdskfjsdkl
ree-1.8.7-2011.03 :033"> %fkdsjfkldsjfl"
=> "aAAAAA\nAaAAaAA\nBbbbbb\n*fjkdjfdskj\n&fdskfjsdkl\n%fkdsjfkldsjfl"
ree-1.8.7-2011.03 :034 > s.scan(r1)
=> ["a"]
ree-1.8.7-2011.03 :035 > s.scan(r2)
=> ["a", "A", "B"]
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