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MathGroup Archive 2004

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Re: Re: trimming a string

  • To: mathgroup at smc.vnet.net
  • Subject: [mg50883] Re: [mg50873] Re: [mg50861] trimming a string
  • From: DrBob <drbob at bigfoot.com>
  • Date: Sun, 26 Sep 2004 05:31:44 -0400 (EDT)
  • References: <200409250555.BAA05042@smc.vnet.net>
  • Reply-to: drbob at bigfoot.com
  • Sender: owner-wri-mathgroup at wolfram.com

s="   abcdefgh   ";
StringJoin[Characters@s//.{{" "..,x__}->{x},{x__," "..}->{x}}]//FullForm

"abcdefgh"

or

StringJoin@Flatten[Split@Characters@s/.{{" "..},x__}->{x}/.{x__,{" "..}}->{x}]//FullForm

"abcdefgh"

Bobby

On Sat, 25 Sep 2004 01:55:13 -0400 (EDT), David Park <djmp at earthlink.net> wrote:

> Akos,
>
> One method...
>
> trimString[s_String] :=
>   Module[{ss = s},
>     While[First@Characters[ss] === " ", ss = StringDrop[ss, 1]];
>     While[Last@Characters[ss] === " ", ss = StringDrop[ss, -1]];
>     ss]
>
> s = "   abcdefgh   ";
> trimString[s] // FullForm
> "abcdefgh"
>
> David Park
> djmp at earthlink.net
> http://home.earthlink.net/~djmp/
>
>
> From: Akos Beleznay [mailto:abeleznay at equitas-capital.com]
To: mathgroup at smc.vnet.net
>
> I would appreciate if somebody could show me a simple way of trimming a
> string. (I did it a hard way, but suspect an elegant solution.)
>
> Trim(a_string): returns a copy of a string without leading and trailing
> spaces.
>
> thanks for your help,
>
> Akos Beleznay
> Equitas Capital Advisors LLC
> 909 Poydras Street
> Suite 1850
> New Orleans, LA 70112
> Phone: (504) 569-9607
> Fax: (504) 569-9650
> abeleznay at equitas-capital.com
>
>
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-- 
DrBob at bigfoot.com
www.eclecticdreams.net

> 



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