str.to_i(base=10) â integer
Instance Public methods
Returns the result of interpreting leading characters in str as an
integer base base (between 2 and 36). Extraneous characters past
the end of a valid number are ignored. If there is not a valid number at
the start of str, 0 is returned. This method never
raises an exception when base is valid.
"12345".to_i #=> 12345 "99 red balloons".to_i #=> 99 "0a".to_i #=> 0 "0a".to_i(16) #=> 10 "hello".to_i #=> 0 "1100101".to_i(2) #=> 101 "1100101".to_i(8) #=> 294977 "1100101".to_i(10) #=> 1100101 "1100101".to_i(16) #=> 17826049
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