> On Jan 21, 2021, at 8:36 AM, Keith Clarke via use-livecode > <use-livecode@lists.runrev.com> wrote: > > Thanks Brian. I looked at matchChunk in the dictionary & it seems to return a > boolean, rather than the offset.
The boolean is just whether or not the matchChunk operation was successful; you need to provide variables for the start and end character offsets in the function call: if matchChunk(myString,"([^\t])",tStart,tEnd) then put "The offset to the first non-tab character is:" && tStart else -- matchChunk had an error because the regex was bad or something end if I know you've moved on, but just for the record... :D Ken Ray Sons of Thunder Software, Inc. Email: k...@sonsothunder.com Website: https://www.sonsothunder.com > > Thanks all - I’ve stopped trying to find the syntax for ‘find any char but > this’ in offset and instead, taken Dick’s advice to iterate through the chars > and count the loops until char <> tab. :) > Best, > Keith > >> On 21 Jan 2021, at 14:03, Brian Milby via use-livecode >> <use-livecode@lists.runrev.com> wrote: >> >> You could also use matchChunk with a regular expression that excludes the >> tab character. >> >> Sent from my iPhone >> >>> On Jan 21, 2021, at 7:14 AM, Keith Clarke via use-livecode >>> <use-livecode@lists.runrev.com> wrote: >>> >>> Ah yes indeed, I’d forgotten I could test with 'put not(tab)’ in the >>> message box - that certainly proves the syntax was wrong! :-) >>> Best, >>> Keith >>> >>>>> On 21 Jan 2021, at 10:49, Dick Kriesel via use-livecode >>>>> <use-livecode@lists.runrev.com> wrote: >>>>> >>>>> >>>>> >>>>>> On Jan 21, 2021, at 2:34 AM, Keith Clarke via use-livecode >>>>>> <use-livecode@lists.runrev.com> wrote: >>>>> >>>>> I was just keen to understand why offset wasn’t happy with the ‘not(tab)’ >>>>> in this instance. >>>> >>>> expression "not(tab)" evaluates to true, which doesn’t serve your purpose >>>> >>>> — Dick >>>> >>>> >>>> _______________________________________________ >>>> use-livecode mailing list >>>> use-livecode@lists.runrev.com >>>> Please visit this url to subscribe, unsubscribe and manage your >>>> subscription preferences: >>>> http://lists.runrev.com/mailman/listinfo/use-livecode >>> >>> _______________________________________________ >>> use-livecode mailing list >>> use-livecode@lists.runrev.com >>> Please visit this url to subscribe, unsubscribe and manage your >>> subscription preferences: >>> http://lists.runrev.com/mailman/listinfo/use-livecode >> >> _______________________________________________ >> use-livecode mailing list >> use-livecode@lists.runrev.com >> Please visit this url to subscribe, unsubscribe and manage your subscription >> preferences: >> http://lists.runrev.com/mailman/listinfo/use-livecode > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
