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MathGroup Archive 2008

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Re: error with regular expression within package

  • To: mathgroup at smc.vnet.net
  • Subject: [mg86553] Re: error with regular expression within package
  • From: Szabolcs <szhorvat at gmail.com>
  • Date: Thu, 13 Mar 2008 20:50:45 -0500 (EST)
  • References: <frasa2$1fo$1@smc.vnet.net>

On Mar 13, 10:31 am, ramiro <ramiro.barran... at uvm.edu> wrote:
> Hi,
>
> This must be very simple.  But with package below, I get the following
> error:
>
> << test.m
> Syntax::stresc: Unknown string escape \w.
>
> Thanks, ramiro
>
> test.m:
>
> BeginPackage["testing`"]
> test::usage="test[t]"
> Begin["`Private`"]
>
> test[t_]:=StringCases[t,RegularExpression["\w+"]]
>
> End[]
>
> EndPackage[]

Inside a string you have to use "\\" to get a backslash.  Use "\\w+"


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