This article describes how to remove diacritic marks from characters.
http://www.ahinea.com/en/t
It's for Perl and I need a way to do this in C# ...
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How to remove diacritic marks from characters using C#?
What's the easiest way to remove diacritic marks from characters using C#? I would like to have following function:
string RemoveDiacriticMark(string
Sample use:
RemoveDiacriticMark("é") -> "e"
RemoveDiacriticMark("ü") -> "u"
RemoveDiacriticMark("à") -> "a"
....
Thanks!
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Answers
Well, you could do something like this in C#.
public static string RemoveDiacritics(string input) {
string Return = input;
Return = Regex.Replace(Return, "\xe6", "ae"); // a-umlaut
Return = Regex.Replace(Return, "\xc7", "c"); // c-cedilla
... same for other single matches ...
Return = Regex.Replace(Return, "[\xe0\xe1\xe2\xe3\xe4\xe5
... same for other multiple matches ...
return Return;
}
You'll need to fill in the blanks. You can find the codes for all the characters using Character Map. I would fill them all in myself, but there are a few, and I don't actually need this function myself. ;)
According to http://www.nongnu.org/unac
I guess it has something todo with the ParseCombiningCharacters method of the StringInfo class but I cannot figure out how the missing parts :-(
You are referring to the unac C code that I referred to in my first post. If you download the C source code, you will see that it builds up enormous arrays of hard-coded Unicode values, so I'm afraid there is no way beyond the hardcoding. The ParseCombiningCharacters method is to do with characters that, even with the enormous Unicode character space, are represented by Unicode characters - it is not related to the sort of characters you want to work with.
I've submited the question to Michael Kaplan who's working at Microsoft. He answered the question on his blog:
http://blogs.msdn.com/mich
Conclusion: using Whidbey it's possible to wite a RemoveDiacritics function. in prior versions your options are more limited, through a p/invoke to the FoldString API with the MAP_COMPOSITE flag.
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by: muzzy2003Posted on 2005-02-19 at 09:11:51ID: 13354109
There is a C library to do this called unac, but it basically stores all the unicode accented characters and their unaccented equivalents and does the translation on that basis. You could translate this to C#. You can download it from:
http://www.nongnu.org/unac
I don't know of any other way of doing this.