Here you can find the source of lastIndexOfAny(String str, char[] searchChars, int startPos)
public static int lastIndexOfAny(String str, char[] searchChars, int startPos)
//package com.java2s; /*/*from w w w. ja v a 2 s .c o m*/ * JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com) * * 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 int lastIndexOfAny(String str, char[] searchChars, int startPos) { if ((str == null) || (searchChars == null)) { return -1; } if (startPos < 0) { startPos = 0; } for (int i = str.length() - 1; i >= startPos; i--) { char c = str.charAt(i); for (int j = 0; j < searchChars.length; j++) { if (c == searchChars[j]) { return i; } } } return -1; } }