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12 lines
273 B
Ruby
12 lines
273 B
Ruby
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## Helper method: will return true if the current string
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## can be parsed as a number (float or integer), false otherwise
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# exemples:
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# "2" => true
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# "4.5" => true
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# "hello" => false
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# "" => false
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class String
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def is_number?
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true if Float(self) rescue false
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end
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end
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