krstnfx
/ Levenshtein
Last active
August 29, 2015 14:17
— forked from quietcricket/gist:1593632
Levenshtein to get edit distance between two strings (ignores newlines, but counts spaces)
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| -(float)compareString:(NSString *)originalString withString:(NSString *)comparisonString | |
| { | |
| // Normalize strings | |
| [originalString stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]]; | |
| [comparisonString stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]]; | |
| originalString = [originalString lowercaseString]; | |
| comparisonString = [comparisonString lowercaseString]; | |
| // Step 1 (Steps follow description at http://www.merriampark.com/ld.htm) |