Here you can find the source of lastIndexNotOf(String str, String chars, int fromIndex)
// TODO(kevinb): after adding fromIndex versions of (last)IndexOf to // CharMatcher, deprecate this public static int lastIndexNotOf(String str, String chars, int fromIndex)
//package com.java2s; /**//from w w w . j av a2 s .c o m * Copyright (c) 2000, Google Inc. * * 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 { /** * Finds the last index in str of a character not in the characters * in 'chars' (similar to ANSI string.find_last_not_of). * * Returns -1 if no such character can be found. * * <p><b>Note:</b> If {@code fromIndex} is zero, use {@link CharMatcher} * instead for this: {@code CharMatcher.noneOf(chars).lastIndexIn(str)}. */ // TODO(kevinb): after adding fromIndex versions of (last)IndexOf to // CharMatcher, deprecate this public static int lastIndexNotOf(String str, String chars, int fromIndex) { fromIndex = Math.min(fromIndex, str.length() - 1); for (int pos = fromIndex; pos >= 0; pos--) { if (chars.indexOf(str.charAt(pos)) < 0) { return pos; } } return -1; } }