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I have strings in Spanish and other languages that may contain generic special characters like (),*, etc. That I need to remove. But the problem is that it also may contain special language characters like ñ, á, ó, í etc and they need to remain. So I am trying to do it with regexp the following way:
var desired = stringToReplace.replace(/[^\w\s]/gi, '');
Unfortunately it is removing all special characters including the language related. Not sure how to avoid that. Maybe someone could suggest?
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A common solution to remove all non-alphanumeric characters from a String is with regular expressions. The idea is to use the regular expression [^A-Za-z0-9] to retain only alphanumeric characters in the string. You can also use [^\w] regular expression, which is equivalent to [^a-zA-Z_0-9] .
Using Regular Expression We can use the regular expression [^a-zA-Z0-9] to identify non-alphanumeric characters in a string. Replace the regular expression [^a-zA-Z0-9] with [^a-zA-Z0-9 _] to allow spaces and underscore character.
If you are having a string with special characters and want's to remove/replace them then you can use regex for that. Use this code: Regex. Replace(your String, @"[^0-9a-zA-Z]+", "")
In the following program ReplaceAllString() method is used, which allows us to replace original string with another string if the specified string matches with the specified regular expression.
I would suggest using Steven Levithan's excellent XRegExp library and its Unicode plug-in.
Here's an example that strips non-Latin word characters from a string: http://jsfiddle.net/b3awZ/1/
var regex = XRegExp("[^\\s\\p{Latin}]+", "g");
var str = "¿Me puedes decir la contraseña de la Wi-Fi?"
var replaced = XRegExp.replace(str, regex, "");
See also this answer by Steven Levithan himself:
Regular expression Spanish and Arabic words
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