Regex help...

[Mike Kerner]

When I'm fighting a regex, I go to http://pythex.org/

On Sun, Jun 4, 2017 at 2:11 PM, Mike Bonner via use-livecode <
use-livecode at lists.runrev.com> wrote:

> Not sure regex can do what you want, or if it can its far far over my
> head.  Would it work instead to use lc script to parse?
> If you repeat through your data (each line form, with tLine as the current
> line and pPage as the page to be looked for...) you can use a one liner
> like this to build a list of matching lines, chop the trailing cr
> afterwards, and be done with it.
>
> *if* item -2 of tLine >= pPage and item -4 of tLine <= pPage *then* *put*
> tLine & cr after tNewDat
>
>
> On Sun, Jun 4, 2017 at 9:35 AM, Paul Dupuis via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
> > I have a tab and cr delimited table of data, a sample line of which is
> > below:
> >
> > 1<tab>Test<tab>4052,12594<tab>1,4052,3,2388<cr>
> >
> > The last tab delimited item "1,4052,3,2388" is actually <Starting Page
> > Number>,<Starting Position On Page>,<Ending Page Number>,<Ending
> > Position On Page>
> >
> > So the starting page number is 1 and ending page is 3
> >
> > I have a variable pPage which contain a page number, say "2"
> >
> > My regex filter, that was crafted by someone else, needs to find (filter
> > to just) all lines starting on page 2 OR ending on page 2 OR containing
> > page 2 (ie, pPage is >= starting page and <= ending page)
> >
> > My existing filter, below, matched lines with starting page number and
> > ending page numbers but not line with page numbers between the start and
> > end.
> >
> >   put
> > "(.+\t"&pPage&",\d+,\d+,\d+)|(.+\t\d+,\d+,"&pPage&",\d+)|(.+
> > \t"&pPage&",\d*\.?\d*,\d*\.?\d*,\d*\.?\d*,\d*\.?\d*)"
> > into tMatchPattern
> >   filter lines of tCiCData with regex pattern tMatchPattern
> >
> > Can someone help me revise this regex to match what I need?
> >
> > Thank you kindly, in advance.
> >
> >
> >
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