Here’s one I have used which seems to work nicely:
constant kURLRegex =
"^(?:(?:(([^:\/#\?]+:)?(?:(?:\/\/)(?:(?:(?:([^:@\/#\?]+)(?:\:([^:@\/#\?]*))?)@)?(([^:\/#\?\]\[]+|\[[^\/\]@#?]+\])(?:\:([0-9]+))?))?)?)?((?:\/?(?:[^\/\?#]+\/+)*)(?:[^\?#]*)))?(\?[^#]+)?)(#.*)?"
local tOrigin, tScheme, tUsername, tPassword, tHost, tNetloc, tPort, tPath,
tParameters, tFragment
if not matchText(pURL, kURLRegex, tOrigin, tScheme, tUsername, tPassword, \
tHost, tNetloc, tPort, tPath, tParameters, tFragment)
then
throw format("could not parse url '%s'", pURL)
end if
> On 23 Oct 2018, at 1:07 pm, Tom Glod via use-livecode
> <use-livecode@lists.runrev.com> wrote:
>
> Hi peeps,
>
> I'm trying to use regex to validate a list of URLs
>
> I've tried 4 or 5 different "regular" expressions that supposedly work
> ..... but LC does not give me anything back. None of them work,
>
> Like for example ... this one.
>
> ^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$
>
> or this one
>
> /^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/
>
> or this one just to make sure
>
> (https?://([-\w\.]+)+(:\d+)?(/([\w/_\.]*(\?\S+)?)?)?)
>
> Does anyone know how to get these or others to work in LC?
>
> Thanks,
>
> Tom
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