Convert string to integer by parameter : Convert to Integer « Number « Ruby

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Ruby » Number » Convert to Integer   Convert string to integer by parameter "1045".to_i(10)                   # => 1045 "-1001001".to_i(2)                # => -73 "abc".to_i(16)                    # => 2748 "abc".to_i(20)                    # => 4232 "number".to_i(36)                 # => 1442151747 "zz1z".to_i(36)                   # => 1678391 "abcdef".to_i(16)                 # => 11259375 "AbCdEf".to_i(16)                 # => 11259375   Related examples in the same category 1.  convert a floating-point number 2.  convert a string 3.  convert a binary number from a string 4.  convert an octal number 5.  convert a hexadecimal number 6.  convert a character code 7.  Converting Between Classes 8.  ArgumentError: invalid value for Integer: "1001 nights" 9.  Converting Between Characters and Values 10.  Parsing A Number From A String 11.  to_i gives the integer version of an object, and to_f gives the float version 12.  Convert string to number with non number string 13.  Number parser by regular expressons

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