Java Char Convert To convertCharToSimpleRegex(String str, char lastChar, char currentChar)

Description

convert Char To Simple Regex

License

Open Source License

Parameter

Parameter	Description
str	a parameter
lastChar	a parameter
currentChar	a parameter

Declaration

private static String convertCharToSimpleRegex(String str, char lastChar, char currentChar) 

Method Source Code

//package com.java2s;
/*//from  w ww.  j ava2  s .c om
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

public class Main {
    /**
     * 
     * @param str
     * @param lastChar
     * @param currentChar
     */
    private static String convertCharToSimpleRegex(String str, char lastChar, char currentChar) {
        if (Character.isLetter(currentChar)) {
            if (Character.isLetter(lastChar)) {
                //nothing, just go ahead
            } else if (Character.isDigit(lastChar)) {
                str += "N";
            } else {
                if (lastChar != '\0') {
                    str += Character.toString(lastChar);
                }
            }
        } else if (Character.isDigit(currentChar)) {
            if (Character.isLetter(lastChar)) {
                str += "W";
            } else if (Character.isDigit(lastChar)) {
                //nothing, just go ahead
            } else {
                if (lastChar != '\0') {
                    str += Character.toString(lastChar);
                }
            }
        } else {
            if (Character.isLetter(lastChar)) {
                str += "W";
            } else if (Character.isDigit(lastChar)) {
                str += "N";
            } else {
                if (lastChar != '\0') {
                    str += Character.toString(lastChar);
                }
            }
        }
        return str;
    }
}

Related

1. convertCharsToUnicodeChars(final String s, final boolean toLowerCase)
2. convertCharToBoolean(final char value)
3. convertCharToCharacterArray(final Object originalArray)
4. convertCharToInt(char input)
5. convertCharToShort(final char[] tmp, final short[] buffer)