PowerShell Approximate String Matching (PASM)

Functions:

• Compare-Soundex (compare two strings using soundex)
• Get-PasmScore
• Compare-PasmAlgorithms
• Search-For

Algorithms included:

• Overlap Coefficient
• Longest Common Substring
• Longest Common Subsequence
• Soundex
• Hamming Distance (modified to work with strings of different lenghts, supports normalized output)
• Ratcliff/Obershelp Similarity
• Jaccard Distance & Jaccard Index
• Sorensen Dice Distance & Sorensen Dice Coefficient
• Jaro-Winkler Distance (can also output Jaro Distance, supports normalized output)
• Levenshtein Distance (supports normalized output)

Helper functions:

• Get-Intersection
• Get-StringIntersection
• Get-Union
• Get-StringUnion
• Get-NGrams
• Get-CommonPrefix
• Get-CommonSuffix
• ConvertTo-SoundexNumber