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MathGroup Archive 2005

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Re: Use strings in Mathematica, like in C?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg61364] Re: [mg61354] Use strings in Mathematica, like in C?
  • From: "David Annetts" <davidannetts at aapt.net.au>
  • Date: Mon, 17 Oct 2005 02:29:29 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Hi Renan,

> In the C programming language I can operate directly over the 
> characters of a string, like:
> 
> int main() {
> 
>  char message[16] = "Hello!";
>  message[n]='a';
> 
> /* ... other code ... */
>  return(0);
> 
> }
> 
> This mean: Change the (n+1)th character (in C, array starts 
> at 0) to the specified character.
> 
> Q: How can I obtain similar effect in Mathematica?

StringReplace ...  As an example, you might try

	old = "hello";
	new = StringReplace[old, {"h" -> "?String", "ello" -> "Replace"}] //
ToExpression

You can search for this using 

	?*String*

Regards,

Dave.


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