levenshtein distance - nodef/extra-string GitHub Wiki
Get Levenshtein distance between strings.
const levenshteinDistance = require('string-levenshteindistance');
// levenshteinDistance(<string-1>, <string-2>, [insertion cost=1], [deletion cost=1], [substition cost=1])
levenshteinDistance('hareram', 'hareram');
// 0
levenshteinDistance('church', 'torch');
// 3
levenshteinDistance('mr. bean', 'ben 10', 1, 0.1, 1);
// 3.5