SAP has such logic and duplicate checks in its MDG Master data governance module
and it is available in general in HANA: What is Fuzzy Search? - SAP HANA Fuzzy Search Reference - SAP Library
We recently reviewed MDG again, and we were impressed how it had developed from its beginning.
If we were still at the starting point, then we had certainly considered it.
However, replacing our own development with MDG is not an option, we are in some functions still ahead of MDG, and the delta of what MDG has more than our own development does not justify the costs for the change.
All vendors are keen to present their product, invite them and make your choice.
What a fuzzy search does is well explained in a video for a different software product on You-tube