Android String Strip stripPrefixIgnoreCase(String str, String prefix)

Description

Case insensitive version of stripPrefix.

License

Apache License

Parameter

Parameter	Description
str	the string to strip
prefix	the expected prefix

Return

the stripped string or null if the string does not start with the prefix

Declaration

public static String stripPrefixIgnoreCase(String str, String prefix) 

Method Source Code

//package com.java2s;
/*//w  ww  .  j a  va2s.  co 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 {
    /**
     * Case insensitive version of stripPrefix. Strings are compared in
     * the same way as in {@link String#equalsIgnoreCase}.
     * Analogous to the c++ functions strcaseprefix and var_strcaseprefix.
     *
     * @param str the string to strip
     * @param prefix the expected prefix
     * @return the stripped string or <code>null</code> if the string
     * does not start with the prefix
     */
    public static String stripPrefixIgnoreCase(String str, String prefix) {
        return startsWithIgnoreCase(str, prefix) ? str.substring(prefix
                .length()) : null;
    }

    /**
     * Examine a string to see if it starts with a given prefix (case
     * insensitive). Just like String.startsWith() except doesn't
     * respect case. Strings are compared in the same way as in
     * {@link String#equalsIgnoreCase}.
     *
     * @param str the string to examine
     * @param prefix the prefix to look for
     * @return a boolean indicating if str starts with prefix (case insensitive)
     */
    public static boolean startsWithIgnoreCase(String str, String prefix) {
        return str.regionMatches(true, 0, prefix, 0, prefix.length());
    }
}

Related

1. stripSuffixIgnoreCase(String str, String suffix)
2. stripSuffix(String str, String suffix)
3. stripPrefix(String str, String prefix)
4. stripPrefixIgnoreCase(String str, String prefix)
5. stripPrefix(String str, String prefix)
6. stripSuffix(String str, String suffix)