Convert binary string into integer

Question

I would like to convert a binary number writen in a String into its integer value.

For example:

string input = "0101";
int output = convert(input);

output should be equal to 5

possible duplicate of [Binary String to Integer](http://stackoverflow.com/questions/1271562/binary-string-to-integer) — Tim Lloyd, Feb 05 '12 at 13:54
@TimLloyd the other question is newer? If anything that question is a dupe of this :) — mhvelplund, Mar 31 '17 at 04:35
@mhvelplund The question I linked to was asked on "Aug 13 '09". — Tim Lloyd, Apr 03 '17 at 11:50

score 121 · Accepted Answer · answered Feb 05 '12 at 13:47

121

int output = Convert.ToInt32(input, 2);

answered Feb 05 '12 at 13:47

Heinzi

1 Answers1