Here you can find the source of isWordSeparator(char c)
public static boolean isWordSeparator(char c)
//package com.java2s; /**//from w w w. j a v a 2 s .c o m * Copyright 2013 ?????? * * 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. */ public class Main { public static final char[] WORD_SEPARATORS = { '_', '-', '@', '$', '#', ' ' }; public static boolean isWordSeparator(char c) { for (int i = 0; i < WORD_SEPARATORS.length; i++) { if (WORD_SEPARATORS[i] == c) { return true; } } return false; } public static boolean isWordSeparator(char c, char[] wordSeparators) { if (wordSeparators == null) { return false; } for (int i = 0; i < wordSeparators.length; i++) { if (wordSeparators[i] == c) { return true; } } return false; } }