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Groups > comp.lang.java.programmer > #18942

Regexp exception in String.replaceAll

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I'm getting an "IndexOutOfBoundsException" from the regex processor
when I call String.replaceAll.

Here's the call:

String result = upload.replaceAll("\\{FileName\\}", fileName);

"upload" is a string that contains at least one occurrence of
"{FileName}", which is to be replaced by the actual filename passed
into this method. Unfortunately, I don't know what the filename was
when the exception occurred. The stacktrace looks like this:

java.lang.IndexOutOfBoundsException: No group 5
        at java.util.regex.Matcher.group(Matcher.java:470)
        at java.util.regex.Matcher.appendReplacement(Matcher.java:737)
        at java.util.regex.Matcher.replaceAll(Matcher.java:813)
        at java.lang.String.replaceAll(String.java:2189)
        at (the line shown above)

I'm aware that replaceAll uses the regexp mechanism for matching
strings. But I can't imagine what could cause this exception. Does
anybody have a clue?

-- 
Tim Slattery
Slattery_T@bls.gov

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Regexp exception in String.replaceAll Tim Slattery <Slattery_T@bls.gov> - 2012-09-26 08:57 -0400
  Re: Regexp exception in String.replaceAll Arne Vajhøj <arne@vajhoej.dk> - 2012-09-26 09:13 -0400
  Re: Regexp exception in String.replaceAll Steven Simpson <ss@domain.invalid> - 2012-09-26 15:18 +0100
  Re: Regexp exception in String.replaceAll Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-09-26 16:30 +0200
    Re: Regexp exception in String.replaceAll Tim Slattery <Slattery_T@bls.gov> - 2012-09-26 12:35 -0400
      Re: Regexp exception in String.replaceAll markspace <-@.> - 2012-09-26 10:00 -0700
        Re: Regexp exception in String.replaceAll Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-09-26 21:26 +0200
          Re: Regexp exception in String.replaceAll Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-09-26 13:27 -0700
            Re: Regexp exception in String.replaceAll markspace <-@.> - 2012-09-26 14:31 -0700
      Re: Regexp exception in String.replaceAll Lew <lewbloch@gmail.com> - 2012-09-26 13:32 -0700
  Re: Regexp exception in String.replaceAll Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-09-26 09:43 -0700
  Re: Regexp exception in String.replaceAll Roedy Green <see_website@mindprod.com.invalid> - 2012-09-27 12:10 -0700

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