Well, it depends on how specific you need the regex to be. Could any of the F values below be text? Are they always float values?
If I was doing this in Perl I would do it like this: $data_line =~ />(\d\.\d)<.*>(\d\.\d)<.*>(\d\.\d)<.*>(\d\.\d)</; and then use code to compare $1 $2 $3 and $4 and save $data_line if they match. Hope that helps, Mike On Fri, Feb 26, 2010 at 10:24 AM, <walter.l...@schwindt.eu> wrote: > Hello, > > I have to analize a text document and want to get all lines like: > > >F<a string>F<another string>F<another string>F< # > (where F is a floating point number between the two characters >< ) > > but only, if all four floating numbers are identical! > > > Example for a text: > > text>text<text > >5.3<abc>5.3<d>5.3<ef>5.3< > >4.2<abc>3.0<d>4.2<ef>4.2< > > Here, only the second line is needed. > > > > Some ideas? > > Thanks, > Walter > > > _______________________________________________ > Perl-Unix-Users mailing list > Perl-Unix-Users@listserv.ActiveState.com > To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs >
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