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From Greg Jorgensen's recipe.
def soundex(name, len=4): # digits holds the soundex values for the alphabet digits = '01230120022455012623010202' sndx = '' fc = '' # translate alpha chars in name to soundex digits for c in name.upper(): if c.isalpha(): if not fc: fc = c # remember first letter d = digits[ord(c)-ord('A')] # duplicate consecutive soundex digits are skipped if not sndx or (d != sndx[-1]): sndx += d sndx = fc + sndx[1:] # replace first digit with first char sndx = sndx.replace('0','') # remove all 0s return (sndx + (len * '0'))[:len] # padded to len charactersSimilar words will return the same soundex
>>> soundex('hello') 'H400' >>> soundex('hola') 'H400'
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