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- str = "Blah00blah001"
- str1 = ""
- str1 = str.gsub(/[0-9]+$/,'')
- print str.chars
- puts
- print str1.chars
- puts
- print str.chars - str1.chars
- ["B", "l", "a", "h", "0", "0", "b", "l", "a", "h", "0", "0", "1"]
- ["B", "l", "a", "h", "0", "0", "b", "l", "a", "h"]
- ["1"]
- ["0","0","1"]
- ["1"]
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