Re: refering to a long pattern by a variable
- To: mathgroup at smc.vnet.net
- Subject: [mg57729] Re: refering to a long pattern by a variable
- From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
- Date: Tue, 7 Jun 2005 02:03:30 -0400 (EDT)
- Organization: Uni Leipzig
- References: <d811a4$cb7$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
txt = "abcbacabzzcz";
pat = Characters["bc"]
pat2 = StringExpression @@ (pat /. "b" :> Sequence
@@ {"b", ___})
StringCases[txt, ShortestMatch[pat2], Overlaps ->
False]
??
Regards
Jens
<marloo3 at mail15.com> schrieb im Newsbeitrag
news:d811a4$cb7$1 at smc.vnet.net...
> hello
> i wish if i could refer to a long pattren by
> just a variable,
> suppose the:
> txt="abcbacabzzcz";
> and the pattern to search is "b"~~___~~"c"
> StringCases[txt, ShortestMatch["b" ~~ ___ ~~
> "c"], Overlaps -> False]
> Out[]={bc, bac, bzzc}
> ok, i hope there is a way to supply just the :
> pat=Characters["bc"];
> and some procedure will make the "b" ~~ ___ ~~
> "c" from the above pat variable
> and assign this pattern to pat2 variable so we
> just write:
> StringCases[txt,
> ShortestMatch[pat2], Overlaps -> False]
> to give the output
> Out[]={bc, bac, bzzc}
> i have tried it by StringJoin but it does not
> work.
> thanks
>
>