How to Efficiently Remove Diacritics from UTF-8 Strings in Go?
Dec 08, 2024 pm 02:03 PMRemoving Diacritics in Go
When working with UTF8 encoded strings, it may be necessary to remove diacritics, such as the accents from "žůžo" to get "zuzo". To handle such scenarios efficiently, there are standard libraries and techniques available in Go.
One approach involves leveraging the unicode.Is() function to identify diacritics (characters classified as "Mn" for nonspacing marks).
The following code snippet demonstrates how to remove diacritics from a given string utilizing the unicode/norm and golang.org/x/text/transform packages:
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This code removes diacritics by applying a series of transformations:
- Normalized Form Decomposition (NFD): Breaks down the string into its base Unicode characters, including diacritics.
- RemoveFunc(isMn): Filters out characters that are nonspacing marks (diacritics).
- Normalization Form Composition (NFC): Recomposes the string without diacritics.
As a result, the output will be a string stripped of diacritics, as in the example: "žůžo" => "zuzo".
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