Java String Unescape unescape(String str)

Description

unescape

License

Open Source License

Declaration

public static String unescape(String str) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2007 Business Objects Software Limited and others.
 * All rights reserved. //  w  ww  .  j ava  2s  .c o  m
 * This file is made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Business Objects Software Limited - initial API and implementation
 *******************************************************************************/

public class Main {
    public static String unescape(String str) {
        StringBuffer sb = new StringBuffer(str.length());
        char[] array = str.toCharArray();
        for (int cnt = 0; cnt < array.length; cnt++) {
            if (array[cnt] != '\\') {
                sb.append(array[cnt]);
            } else {
                switch (array[++cnt]) {
                case 'n':
                    sb.append('\n');
                    break;

                case '\\':
                    sb.append('\\');
                    break;

                case 'r':
                    sb.append('\r');
                    break;

                default:
                    break;
                }
            }
        }

        return sb.toString();
    }
}

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9. unescape(String str, char escapeChar, char[] targetChars, char[] escapedChars)