Java String Accent removeAccents(String input)

Description

Convert accented letters to their unaccented counterparts.

License

Apache License

Parameter

Parameter	Description
input	the string possibly containing accented letters.

Return

the unaccented version

Declaration

public static String removeAccents(String input) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2010, 2012 Institute for Dutch Lexicology
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License./* w  w  w . j a  v  a 2s . c o m*/
 *******************************************************************************/

import java.text.Normalizer;

import java.util.regex.Pattern;

public class Main {
    /**
     * Matches Unicode diacritics composition characters, which are separated out by the Normalizer
     * and then discarded using this regex.
     */
    private static final Pattern PATT_DIACRITICS = Pattern.compile("\\p{InCombiningDiacriticalMarks}+");

    /**
     * Convert accented letters to their unaccented counterparts.
     *
     * @param input
     *            the string possibly containing accented letters.
     * @return the unaccented version
     */
    public static String removeAccents(String input) {
        // Separate characters into base character and diacritics characters
        String normalized = Normalizer.normalize(input, Normalizer.Form.NFD);

        // Remove diacritics
        return PATT_DIACRITICS.matcher(normalized).replaceAll("");
    }
}

Related

1. removeAccent(String s)
2. removeAccent(String strIn)
3. removeAccents(final String s)
4. removeAccents(final String value)
5. removeAccents(final String value)
6. removeAccents(String s)
7. removeAccents(String str)
8. removeAccents(String text)
9. removeAccents(String textWithAccent)