specify ranges of characters inside the square brackets : scan « String « Ruby






specify ranges of characters inside the square brackets


# This scan matches all lowercase letters between a and m.

"This is a test".scan(/[a-m]/) { |x| puts x }

 








Related examples in the same category

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3.scan through all the vowels in a string: [aeiou] means "match any of a, e, i, o, or u."
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8.Scan() string with hex value
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10.Count words for a string with quotation marks
11.Just like /\w+/, but doesn't consider underscore part of a word.
12.Anything that's not whitespace is a word.
13.Accept dashes and apostrophes as parts of words.
14.A pretty good heuristic for matching English words.