Is there a way to filter a django queryset based on string similarity (a la python difflib)?

Question

I have a need to match cold leads against a database of our clients.

The leads come from a third party provider in bulk (thousands of records) and sales is asking u

Answer 1

soundex won't help you, because it's a phonetic algorithm. Joe and Joseph aren't similar phonetically, so soundex won't mark them as similar.

You can try Levenshtein distance, which is implemented in PostgreSQL. Maybe in your database too and if not, you should be able to write a stored procedure, which will calculate the distance between two strings and use it in your computation.