Java String Trim Left ltrim(CharSequence str)

Description

Trim horizontal whitespace from left side.

License

Open Source License

Parameter

Parameter	Description
str	The string to trim

Return

str with whitespace from left side trimmed.

Declaration

public static CharSequence ltrim(CharSequence str) 

Method Source Code

//package com.java2s;
/*//from   w w w  . ja  v  a 2  s.  c o m
 *  Copyright (C) 2012 Ed Schaller <schallee@darkmist.net>
 *
 *  This library 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 library 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 library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

public class Main {
    /**
     * Trim horizontal whitespace from left side.
     * @param str The string to trim
     * @return str with whitespace from left side trimmed.
     */
    public static CharSequence ltrim(CharSequence str) {
        int len;
        int i;

        if (str == null || (len = str.length()) <= 0)
            return "";
        for (i = 0; i < len; i++)
            if (!Character.isWhitespace(str.charAt(i)))
                break;
        if (i >= len)
            return "";
        return str.subSequence(i, len);
    }
}

Related

1. leftTrim(String string)
2. leftTrim(String value)
3. leftTrim(StringBuilder pStringBuilder)
4. leftTrimSlashes(String s)
5. ltrim(byte[] a)
6. ltrim(final String str)
7. ltrim(final String str, final char filler)
8. ltrim(final String text)
9. lTrim(final String value)