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kimenye/first_non_repeating_character

Created September 17, 2012 12:59
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How to detect the first non-repeating character in a line
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first_non_repeating_character
def detect_character_that_occurs_only_once line
if !line.nil?
the_char = line.each_char.detect { |char| line.count(char) == 1}
end
the_char
end
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