Problem with String.split(Regex arg)

Re: Problem with String.split(Re gex arg)

blueoceanz1@hot mail.com (Blue Ocean) wrote in message news:<3349b232. 0402082118.25d2 [email protected] ogle.com>...[color=blue]
> In short, it's not working right for me.
>
> In long:
>
> The program is designed to read numbers from an accumulator and speak
> them out loud. Unfortunately, the class that contains the method to
> read off large numbers is only for integers. My intention is to split
> a String across the Regex of ".". However, this code does not work:
>
> private void doRealValueOf(S tring text) {
> BBI beforeDot, afterDot;
> String decArray[];
>
> decArray = text.split(".", 2);
>
> beforeDot = new BBI(decArray[0]);
> afterDot = new BBI(decArray[1]);
>
> beforeDot.play( );
> playString("poi nt.au");
> sleep(400);
> afterDot.play() ;
> }
>
> Please assume as your read that all of the called methods except
> text.split(".") works.
>
> I can _guarantee_ by use of a debugger that text does not have the
> regex in more than one place. In my test case, "4.0", the output of
> text.split(".") is
>
> text.split(".")
> (java.lang.Stri ng[]) []
>
> I really cannot fathom why this might be the case.
>
> For reference, the output of the two argument split methods are as
> follows:
>
> text.split(".", 0)
> (java.lang.Stri ng[]) []
> text.split(".", 1)
> (java.lang.Stri ng[]) [4.0]
> text.split(".", 2)
> (java.lang.Stri ng[]) [, .0]
>
> And calling the toString method on the String text:
>
> text
> (java.lang.Stri ng) 4.0
>
> These are all from the _exact same instant_ of the virtual machine;
> the thread that all these variables are in is suspended, so there is
> no chance of something being incorrect due to changes in the state of
> the locals.
>
> Please help me. I'm starting to get desperate. I've been working on
> this one problem for more than two hours now, and it is my only
> roadblock to success. Anyone who can help, please do so.[/color]

If you mean literal dot character, use "\." insteda of "." which
is one of Java regular expression constructs.

Re: Problem with String.split(Re gex arg)

HGA03630@nifty. ne.jp (hiwa) wrote in message news:<6869384d. 0402090239.3230 [email protected] ogle.com>...[color=blue]
> If you mean literal dot character, use "\." insteda of "." which
> is one of Java regular expression constructs.[/color]

I don't know about yours, but my compiler gives me this error when I try to do that:

Invalid escape sequence (valid ones are \b \t \n \f \r \" \' \\ )

Any other ideas?

Re: Problem with String.split(Re gex arg)

use "\\."

Silvio Bierman

Re: Problem with String.split(Re gex arg)

blueoceanz1@hot mail.com (Blue Ocean) wrote in message news:<3349b232. 0402090721.6698 [email protected] ogle.com>...[color=blue]
> HGA03630@nifty. ne.jp (hiwa) wrote in message news:<6869384d. 0402090239.3230 [email protected] ogle.com>...[color=green]
> > If you mean literal dot character, use "\." insteda of "." which
> > is one of Java regular expression constructs.[/color]
>
> I don't know about yours, but my compiler gives me this error when I try to do that:
>
> Invalid escape sequence (valid ones are \b \t \n \f \r \" \' \\ )
>
> Any other ideas?[/color]

[.]

Re: Problem with String.split(Re gex arg)

blueoceanz1@hot mail.com (Blue Ocean) wrote in message news:<3349b232. 0402090721.6698 [email protected] ogle.com>...[color=blue]
> HGA03630@nifty. ne.jp (hiwa) wrote in message news:<6869384d. 0402090239.3230 [email protected] ogle.com>...[color=green]
> > If you mean literal dot character, use "\." insteda of "." which
> > is one of Java regular expression constructs.[/color]
>
> I don't know about yours, but my compiler gives me this error when I try to do that:
>
> Invalid escape sequence (valid ones are \b \t \n \f \r \" \' \\ )
>
> Any other ideas?[/color]
Oh! Very sorry!
That is "\\.", not "\.". ... Then this is "\." at the regexp level.
Sorry for my carelessness again.