As described on the Wikipedia page, the original Metaphone algorithm was published in 1990 as an improvement over the Soundex algorithm. Like Soundex, it was limited to English-only use. The Metaphone ...

Philips has gone on to write Double Metaphone, which also deals with extended accent characters and more rules. For this article, I'll stick to the original Metaphone specifications for brevity.

This service provides an API for matching and correcting Scandinavian names, handling special characters and regional naming variations. It uses Double Metaphone algorithm and fuzzy matching to find ...