Created
February 2, 2015 16:24
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| irb(main):002:0> expression = /(?:OUT[=]*)/ | |
| => /(?:OUT[=]*)/ | |
| irb(main):003:0> "OUT".match(expression) | |
| => #<MatchData "OUT"> | |
| irb(main):004:0> "OUT=".match(expression) | |
| => #<MatchData "OUT="> | |
| irb(main):005:0> "Quark".match(expression) | |
| => nil |
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