How to Convert Unicode Characters to the English Alphabet in Java?

Unicode Character Conversion to English Alphabet

In the vast realm of Unicode, with thousands of characters at our disposal, we often face challenges in converting similar characters to their corresponding English alphabet equivalents. From ҥ to H, Ѷ to V, and Ȳ to Y, the task of classifying and converting these characters can be daunting.

To address this issue in Java, we can leverage the Normalizer class to perform the necessary conversion. The Normalizer.normalize() method accepts a string and applies the desired normalization form, specifically Normalizer.Form.NFD (Normalization Form Canonical Decomposition).

Once the string is normalized, we can employ regular expressions to strip away the combining diacritical marks that distinguish accented characters from their base counterparts. The following Java code demonstrates this approach:

import java.text.Normalizer;
import java.util.regex.Pattern;

public class UnicodeConverter {

    public static String deAccent(String str) {
        String nfdNormalizedString = Normalizer.normalize(str, Normalizer.Form.NFD); 
        Pattern pattern = Pattern.compile("\p{InCombiningDiacriticalMarks}+");
        return pattern.matcher(nfdNormalizedString).replaceAll("");
    }

    public static void main(String[] args) {
        String accentedText = "tђє Ŧค๓เℓy";
        System.out.println(deAccent(accentedText)); // Output: the Family
    }
}

Utilizing this technique, we can effectively convert a wide range of accented characters into their corresponding English alphabet representations, enabling seamless text processing and manipulation tasks.

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