Ruzzie.FuzzyStrings

This is a heavily modified version. I added a fixed size fast in memory cache and optimized the algorithm performance for case insensitive comparisons.

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A Collection of Fuzzy String Algorithms for .NET.

This is partially derived from multiple open sources. See individual algorithm classes for attribution.

A developer may wish to take advantage of one or more of the algorithms included in this libray or on the contrived string comparison extension methods like this:

bool isEqual = input.FuzzyEquals(name);
double coefficient = input.FuzzyMatch(name);

Included Algorithms

Dice Coefficient based on bigrams

A good value would be 0.33 or above, a value under 0.2 is not a good match, from 0.2 to 0.33 is iffy.

Levenshtein Distance algorithm with transposition

A value of 1 or 2 is okay, 3 is iffy and greater than 4 is a poor match

Longest Common Subsequence

A good value is greater than 0.33.

DoubleMetaphone

Get a 4 character "soundex"

The author hopes you will use and help improve this library.