Groups > comp.lang.java.programmer > #15983

Re: need regular expression to replace part of result based on a search pattern

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From	Joshua Cranmer <Pidgeot18@verizon.invalid>
Newsgroups	comp.lang.java.programmer
Subject	Re: need regular expression to replace part of result based on a search pattern
Date	Thu, 12 Jul 2012 11:42:20 -0400
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On 7/12/2012 11:24 AM, Eric Sosman wrote:
>      If quoted material can contain commas that don't count as field
> separators, I don't think regular expressions can do the job at all.
> You'll need to parse the strings in a context-sensitive way.

((?:[^,]*|'[^']*'),){5}

If you can have escapes, your string quote portion becomes:
'([^\\']|\\.)' (not including escape characters you need to represent 
this is a Java string literal). It's doable, but building this sort of 
stuff gets very ugly very quickly.

-- 
Beware of bugs in the above code; I have only proved it correct, not 
tried it. -- Donald E. Knuth

Thread

need regular expression to replace part of result based on a search pattern Jimmy <jimmy_please@yahoo.com> - 2012-07-11 10:35 -0700
  Re: need regular expression to replace part of result based on a search pattern Roedy Green <see_website@mindprod.com.invalid> - 2012-07-11 15:24 -0700
  Re: need regular expression to replace part of result based on a search pattern Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2012-07-11 15:40 -0700
    Re: need regular expression to replace part of result based on a search pattern Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-07-12 00:56 +0200
  Re: need regular expression to replace part of result based on a search pattern Roedy Green <see_website@mindprod.com.invalid> - 2012-07-11 21:21 -0700
  Re: need regular expression to replace part of result based on a search pattern Jimmy <jimmy_please@yahoo.com> - 2012-07-12 07:28 -0700
    Re: need regular expression to replace part of result based on a search pattern Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-07-12 11:24 -0400
      Re: need regular expression to replace part of result based on a search pattern Joshua Cranmer <Pidgeot18@verizon.invalid> - 2012-07-12 11:42 -0400
      Re: need regular expression to replace part of result based on a search pattern Arne Vajhøj <arne@vajhoej.dk> - 2012-07-23 22:55 -0400
  Re: need regular expression to replace part of result based on a search pattern Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-07-12 09:42 -0500
    Re: need regular expression to replace part of result based on a search pattern Gene Wirchenko <genew@ocis.net> - 2012-07-12 09:18 -0700
    Re: need regular expression to replace part of result based on a search pattern glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-07-12 18:34 +0000
    Re: need regular expression to replace part of result based on a search pattern Arne Vajhøj <arne@vajhoej.dk> - 2012-07-23 22:53 -0400
  Re: need regular expression to replace part of result based on a search pattern Arne Vajhøj <arne@vajhoej.dk> - 2012-07-23 22:48 -0400
    Re: need regular expression to replace part of result based on a search pattern Arne Vajhøj <arne@vajhoej.dk> - 2012-07-25 17:37 -0400

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