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Re: How to economically(!) remove a range of unknown(!) characters from a string

From Ulrich Möller <knobbi38@arcor.de>
Newsgroups microsoft.public.scripting.vbscript
Subject Re: How to economically(!) remove a range of unknown(!) characters from a string
Date 2017-01-03 15:03 +0100
Organization A noiseless patient Spider
Message-ID <o4gasu$rrm$1@dont-email.me> (permalink)
References <586b9ab4$0$21545$e4fe514c@news.xs4all.nl>

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Hi Rudy,

Am 03.01.2017 um 13:40 schrieb R.Wieser:
> I need to remove, in a string, a number of characters between two points.
> Currently I'm dong that with
>
> sText = left(sText, RangeBegin-1) & mid(sText, RangeEnd+1)
>
> , but as I have to do that quite a few times in a rather large string (1
> MByte) the whole thing gets mighty slow (probably because of the
> again-and-again recreation of the string).
>
> So, I'm looking for a more economical (read: faster) way to do the same.
>
> The problem is that VBScript doesn't do simple overwriting, and the
> "replace" command does not accept a start position -- or rather it does, but
> that one throws everything away before that point, making it useless to me.
> :-\
maybe this is interesting for you: 
http://www.codeguru.com/csharp/.net/net_asp/tutorials/article.php/c19367/VBScript-String-Concatenation-And-Why-It-Should-Be-Avoided-Like-The-Plague.htm

Depending on your exact problem the array method is a more preferable 
method instead of simple string concatenations.

Ulrich

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Thread

How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-03 13:40 +0100
  Re: How to economically(!) remove a range of unknown(!) characters from a string "Mayayana" <mayayana@invalid.nospam> - 2017-01-03 08:43 -0500
    Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-03 17:21 +0100
      Re: How to economically(!) remove a range of unknown(!) characters from a string "Mayayana" <mayayana@invalid.nospam> - 2017-01-03 19:33 -0500
        Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-04 10:36 +0100
          Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-04 12:21 +0100
            Re: How to economically(!) remove a range of unknown(!) characters from a string "Mayayana" <mayayana@invalid.nospam> - 2017-01-04 08:31 -0500
              Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-04 17:27 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-04 18:13 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-04 21:53 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-05 00:33 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-05 09:19 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-05 10:10 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-05 10:34 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-05 11:50 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Mayayana" <mayayana@invalid.nospam> - 2017-01-05 09:44 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-05 16:50 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-05 17:29 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Mayayana" <mayayana@invalid.nospam> - 2017-01-05 11:50 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Dave \"Crash\" Dummy" <invalid@invalid.invalid> - 2017-01-04 22:57 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-05 09:54 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Dave \"Crash\" Dummy" <invalid@invalid.invalid> - 2017-01-05 04:51 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-05 12:17 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Mayayana" <mayayana@invalid.nospam> - 2017-01-05 09:38 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Dave \"Crash\" Dummy" <invalid@invalid.invalid> - 2017-01-05 13:11 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-05 22:42 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Dave \"Crash\" Dummy" <invalid@invalid.invalid> - 2017-01-05 17:35 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-06 00:46 +0100
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Dave \"Crash\" Dummy" <invalid@invalid.invalid> - 2017-01-05 21:03 -0500
                Re: How to economically(!) remove a range of unknown(!) characters from a string "Mayayana" <mayayana@invalid.nospam> - 2017-01-05 18:41 -0500
  Re: How to economically(!) remove a range of unknown(!) characters from a string Ulrich Möller <knobbi38@arcor.de> - 2017-01-03 15:03 +0100
    Re: How to economically(!) remove a range of unknown(!) characters from a string Ulrich Möller <knobbi38@arcor.de> - 2017-01-03 15:26 +0100
      Re: How to economically(!) remove a range of unknown(!) charactersfrom a string "R.Wieser" <address@not.available> - 2017-01-03 17:33 +0100
    Re: How to economically(!) remove a range of unknown(!) charactersfrom a string "R.Wieser" <address@not.available> - 2017-01-03 17:26 +0100
  Re: How to economically(!) remove a range of unknown(!) characters from a string "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2017-01-03 15:06 +0100
    Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-03 17:29 +0100
  Re: How to economically(!) remove a range of unknown(!) characters from a string "Dave \"Crash\" Dummy" <invalid@invalid.invalid> - 2017-01-03 11:17 -0500
    Re: How to economically(!) remove a range of unknown(!) characters from a string "R.Wieser" <address@not.available> - 2017-01-03 17:39 +0100

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