Immediately after switching the page, it will work with CSR.
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One way to start playing around with it is to put some stuff in a database: https://dev.mysql.com/doc/refman/8.4/en/string-functions.htm...
(or this module, https://www.postgresql.org/docs/current/fuzzystrmatch.html if you're stuck with PG)
Another example is poetry. A regex can find rhymes in Polish. Same postfix == it rhymes.
In English it's a feat of engineering.
Also, the matches for "sorI" and "sorY" would seem to me to misinterpret the words as having a vowel at the end, rather than a silent vowel. If you're using data meant for foreign surnames, the rules of which may differ from English and which might have silent vowels be very rare depending on the original language, of course you may mispronounce English words like this, saying both shore and sure as "sore-ee".
I'm sure there are much better ways to transcribe orthography to phonetics, probably people have published libraries that do it. From some googling, it seems like some people call this type of library a phonemic transcriber or IPA transcriber.