I am build a webapp. Should I ignore the diacritics in the search function?

I am non-native speaker myself and I prefer when search engines ignore/substitute for the diacritics of my language. Others probably prefer it too but is there a consensus?

And what should be the correct mapping? Internet suggests this but how authoritative it is?

And how about non-latin scripts? From what I know for instance Russian language has soft and hard consonants, what is the best practice there?

  • As a user I expect this when searching... Hopefully someone can point out any quirky mappings to be aware of.
    – scunliffe
    Apr 25, 2016 at 9:48

1 Answer 1


The question as to whether diacritics should be ignored in search functions will probably get down to personal preference/opinion. However, you may find the following useful:

Note: I have no affiliation with the above products/services.

However, in terms of the correct mapping in doing so, that's easier to answer. Without knowing what language you're building your web app in, you may find the following resources useful:

Hope this is useful. Good luck!

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