Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.java.programmer > #25329
| From | Eric Sosman <esosman@comcast-dot-net.invalid> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: how to trim() a String only at the right side? |
| Date | 2013-09-25 10:25 -0400 |
| Organization | A noiseless patient Spider |
| Message-ID | <l1uroa$5eg$1@dont-email.me> (permalink) |
| References | <slrnl45qr1.mol.avl@gamma.logic.tuwien.ac.at> |
On 9/25/2013 9:55 AM, 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
You could kill your canary with the regex cannon, I guess.
I'd just write the loop, maybe starting out with lastIndexOf(' ').
Some people, when confronted with a problem, think
"I know, I'll use regular expressions." Now they
have two problems.
-- Jamie Zawinski
--
Eric Sosman
esosman@comcast-dot-net.invalid
Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll 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
csiph-web