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Subject: Re: how to trim() a String only at the right side?
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On 25/09/13 14:55, Andreas Leitgeb wrote:
> I'd need to trim only *trailing* whitespace off a String (or StringBuilder)
> while preserving leading white space. Furthermore (unlike trim()), I'd only
> strip exact \u0020 chars, no other control chars.
>
> I could code a while-loop to search for last non-\u0020 char position and then
> extract the approriate substring (or delete() the spaces), but if there is a
> more elegant solution that I've missed in the javadocs, then I'd be glad about
> a hint.
>
> PS: no need to code out any solutions involving explicit loops.
> PPS: target is Java SE 7
>

package cljp;

import org.apache.commons.lang3.StringUtils;

public class Stripper {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String foo = "   foo   ";
		String bar = "bar";
		
		System.out.print(foo);
		System.out.println(bar);
		
		foo = StringUtils.stripEnd(foo, " ");
		
		System.out.print(foo);
		System.out.println(bar);

	}

}

-- 
Lipska the KatŠ: Troll hunter, sandbox destroyer
and farscape dreamer of Aeryn Sun
GNU/Linux user #560883 - http://www.linuxcounter.net