Here you can find the source of normalize(final String string)
public static String normalize(final String string)
//package com.java2s; //License from project: Open Source License import java.text.Normalizer; public class Main { public static String normalize(final String string) { return Normalizer.normalize(string, Normalizer.Form.NFD).replaceAll("[^\\p{Alnum}\\s]", ""); }/*from www . jav a 2 s . c o m*/ }