org.languagetool.tools.ArabicStringTools Maven / Gradle / Ivy
/* LanguageTool, a natural language style checker
* Copyright (C) 2021 Sohaib Afifi, Taha Zerrouki
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
package org.languagetool.tools;
import java.util.regex.Pattern;
/**
* Tools for working with arabic strings.
*
* @author Taha Zerrouki
*/
public class ArabicStringTools {
public static final String TASHKEEL_CHARS =
"\u064B" // Fathatan
+ "\u064C" // Dammatan
+ "\u064D" // Kasratan
+ "\u064E" // Fatha
+ "\u064F" // Damma
+ "\u0650" // Kasra
+ "\u0651" // Shadda
+ "\u0652" // Sukun
+ "\u0653" // Maddah Above
+ "\u0654" // Hamza Above
+ "\u0655" // Hamza Below
+ "\u0656" // Subscript Alef
+ "\u0640"; // Tatweel
private static final Pattern TASHKEEL_PATTERN = Pattern.compile("[" + TASHKEEL_CHARS + "]");
/**
* Return str without tashkeel characters
* @param str input str
*/
public static String removeTashkeel(String str) {
return TASHKEEL_PATTERN.matcher(str).replaceAll("");
}
}