Python “regex” module: Fuzziness value

Question

I\'m using the \"fuzzy match\" functionality of the Regex module.

How can I get the \"fuzziness value\" of a \"match\" which indicates how different the pattern is

Answer 1

a = regex.match('(?:foo){e}','for')
a.fuzzy_counts 

this returns a tuple (x,y,z) where:

x = number of substitutions

y = number of insertions and

z = number of deletions

But this is not always a reliable count, ie: the regex match fuzziness night not equate to the true Levinstein distance in some cases

Python regex module fuzzy match: substitution count not as expected