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Re: how to trim() a String only at the right side?

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In article <slrnl45qr1.mol.avl@gamma.logic.tuwien.ac.at>,
 Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> 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

This example compares regex & loop approaches:

<https://groups.google.com/d/msg/comp.lang.java.programmer/KLCzPtBzm1c/fP-4nqBXTs8J>

-- 
John B. Matthews
trashgod at gmail dot com
<http://sites.google.com/site/drjohnbmatthews>

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Thread

how to trim() a String only at the right side? Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-09-25 13:55 +0000
  Re: how to trim() a String only at the right side? Eric Sosman <esosman@comcast-dot-net.invalid> - 2013-09-25 10:25 -0400
  Re: how to trim() a String only at the right side? "John B. Matthews" <nospam@nospam.invalid> - 2013-09-25 12:55 -0400
  Re: how to trim() a String only at the right side? Jim Janney <jjanney@shell.xmission.com> - 2013-09-25 13:05 -0600
  Re: how to trim() a String only at the right side? Silvio <silvio@internet.com> - 2013-09-25 21:46 +0200
  Re: how to trim() a String only at the right side? markspace <markspace@nospam.nospam> - 2013-09-25 13:31 -0700
    Re: how to trim() a String only at the right side? markspace <markspace@nospam.nospam> - 2013-09-25 13:41 -0700
      Re: how to trim() a String only at the right side? Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-09-26 17:11 +0000
    Re: how to trim() a String only at the right side? Silvio <silvio@internet.com> - 2013-09-26 12:14 +0200
    Re: how to trim() a String only at the right side? Jim Janney <jjanney@shell.xmission.com> - 2013-09-26 09:44 -0600
      Re: how to trim() a String only at the right side? Arne Vajhøj <arne@vajhoej.dk> - 2013-09-26 13:01 -0400
  Re: how to trim() a String only at the right side? lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-09-26 12:21 +0100
    Re: how to trim() a String only at the right side? lipska the kat <"nospam at neversurrender dot co dot uk"> - 2013-09-26 17:40 +0100
  Re: how to trim() a String only at the right side? Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-09-26 16:56 +0000

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