am I regexing by mistake?
Brian Milby
brian at milby7.com
Fri Aug 31 10:35:35 EDT 2018
Need to put question mark in brackets “[?]” when using wildcard filters if you want to match a literal question mark. Otherwise it signifies a single character match to anything.
Thanks,
Brian
On Aug 31, 2018, 9:12 AM -0500, David V Glasgow via use-livecode <use-livecode at lists.runrev.com>, wrote:
> Hello, folks.
>
> I am undertaking keyword searches of chat logs. The keywords are stored as themed lists in fields.
>
> One of the things I am interested in is finding lines where one contributor asks another about where they live, shop, go to school etc etc. So, (among other phrases) I filter for lines in the text containing the acronym “ asl ” (nowhere are quotes actually included in fields or variables, they’re just in this mail). I pad with spaces so as not to find “asleep”. I also want to find “asl?”
>
> So I repeat through lines of the keyword field “location"
>
> Filter lines of tsource with tpattern
>
> … which works for everything except fails to match “asl?”. It occurred to me that perhaps the question mark is being interpreted as a regex symbol, so I tried changing the line in the field to read “ asl/?”, but that doesn’t find the “asl?” that I can see in the third line of the text to be searched….
>
>
> shadownave (09/16/14 1:44:58 AM): hey care to chat
> shadownave (09/16/14 1:45:09 AM): hey care to chat
> what_sez_moo (09/16/14 1:45:18 AM): sure asl?
> what_sez_moo (09/16/14 1:45:52 AM): 13 / F / Ashton here
> shadownave (09/16/14 1:51:00 AM): 25/m/Derby
> shadownave (09/16/14 1:51:03 AM): how r u tonight
> what_sez_moo (09/16/14 1:51:16 AM): bored.
>
>
> What am I doing wrong? Is this something to do with regex?
>
> Oh yes, and I thought there might be invisible characters messing things up, so I exported source text as plain text from BBedit, with no improvement.
>
> best wishes
>
> David Glasgow
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