Groups | Search | Server Info | Keyboard shortcuts | Login | Register

Groups > comp.lang.java.programmer > #5013

Re: Confusion about String.matches method

Show all headers | View raw

On 06/06/11 08:50, Roedy Green wrote:
> On Wed, 01 Jun 2011 16:02:16 +0100, Nigel Wade <nmw-news@ion.le.ac.uk>
> wrote, quoted or indirectly quoted someone who said :
> 
>> So, to get your '\\n' in the RE you need to
>> have '\\\\n' in the string.
> 
> Oops.

Oops yourself.

> 
> If you are trying to match a eol char in a regex the two chars in ram
> will be \ n

If they are, you won't match a newline. The '\' needs to be escaped in
the RE. The string in the RE needs to be \\n.

> 
> If you are creating a string literal it will be "\\n"
> 
> The extra \ is to tell Java this is not a Java literal.
> 
> The easy way to create these strings is to use Quoter.
> See http://mindprod.com/applet/quoter.html
> 
> One you get the hang of it, you can write  them off the top of your
> head.
> 

and, apparently, get them wrong.

I repeat what I said in my previous post:

Anyone who claims they understand RE is just someone who hasn't yet
realized they don't.


-- 
Nigel Wade

Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Confusion about String.matches method laredotornado <laredotornado@zipmail.com> - 2011-05-31 10:24 -0700
  Re: Confusion about String.matches method Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-05-31 17:28 +0000
    Re: Confusion about String.matches method laredotornado <laredotornado@zipmail.com> - 2011-05-31 13:15 -0700
      Re: Confusion about String.matches method Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-05-31 23:10 +0200
      Re: Confusion about String.matches method Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-05-31 21:26 +0000
      Re: Confusion about String.matches method Ian Shef <invalid@avoiding.spam> - 2011-05-31 22:20 +0000
      Re: Confusion about String.matches method Roedy Green <see_website@mindprod.com.invalid> - 2011-05-31 15:53 -0700
        Re: Confusion about String.matches method laredotornado <laredotornado@zipmail.com> - 2011-06-01 07:10 -0700
          Re: Confusion about String.matches method Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-06-01 16:02 +0100
            Re: Confusion about String.matches method Roedy Green <see_website@mindprod.com.invalid> - 2011-06-06 00:50 -0700
              Re: Confusion about String.matches method Esmond Pitt <esmond.pitt@bigpond.com> - 2011-06-06 20:18 +1000
                Re: Confusion about String.matches method Roedy Green <see_website@mindprod.com.invalid> - 2011-06-07 21:15 -0700
                Re: Confusion about String.matches method Michael Wojcik <mwojcik@newsguy.com> - 2011-06-08 11:13 -0400
                Re: Confusion about String.matches method Esmond Pitt <esmond.pitt@bigpond.com> - 2011-06-09 19:19 +1000
                Re: Confusion about String.matches method Roedy Green <see_website@mindprod.com.invalid> - 2011-06-07 21:18 -0700
                Re: Confusion about String.matches method Gene Wirchenko <genew@ocis.net> - 2011-06-08 07:50 -0700
              Re: Confusion about String.matches method Nigel Wade <nmw-news@ion.le.ac.uk> - 2011-06-06 12:15 +0100
          Re: Confusion about String.matches method Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-06-01 11:17 -0400
            Re: Confusion about String.matches method Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2011-06-01 18:59 +0200
          Re: Confusion about String.matches method Ian Shef <invalid@avoiding.spam> - 2011-06-01 19:41 +0000
      Re: Confusion about String.matches method Jim Janney <jjanney@shell.xmission.com> - 2011-06-01 08:41 -0600

csiph-web