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Groups > comp.lang.java.programmer > #4826

Re: Confusion about String.matches method

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laredotornado <laredotornado@zipmail.com> wrote in news:50016a00-9422-46d4-
8278-619fedafff55@c41g2000yqm.googlegroups.com:

> On May 31, 12:28 pm, Andreas Leitgeb <a...@gamma.logic.tuwien.ac.at>
> wrote:
>> laredotornado <laredotorn...@zipmail.com> wrote:
>> > Hi,
>> > I'm using Java 1.6.  How would I modify my regular expression below
>> > ^Starting at \$32,000*$
>>
>> ^Starting at \$32,000\*$
>>
>> > so that it will match the string, "Starting at $32,000*".  In other
>> > words, I have
>> > String regEx = "^Starting at \\$32,000*$";
>>
>> String regEx = "^Starting at \\$32,000\\*$";
>>
>> > String text = "Starting at $32,000*";
>> > if (!text.matches(regEx)) {
>> >       throw new RuntimeException("does not match");
>> > }
>> > but the exception is always thrown.  Please let me know how can I
>> > modify my reg ex to match.  Thanks, - Dave
>>
>>
> 
> Is there a way I can match an arbitrary string without having to
> escape everything?  I tried putting my token in quotes ...
> 
> String regEx = "^Starting at (\"$32,000*\")$";
> 
> but that failed to match.  - Dave

Have you looked at Pattern.quote(String s) in java.util.regex.Pattern ?  It 
may be what you want.  Here is an example:

import java.util.regex.Pattern;
public class PatternQuote {
    public static void main(String[] args) {
        String orig   = "Starting at $32,000*" ;
        String quoted = "^" + Pattern.quote(orig) + "$" ;
        System.out.println(orig + " became " + quoted) ;
    }
}

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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

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