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  #26  
Old 08-26-2016, 01:34 PM
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Default Re: What's with the Youtubes

The https matching works

But I'm still getting 'An error occurred. Please try again later.' as with my post above
Quote:
Originally Posted by JoeP View Post
...
At least at the moment for me this thinks for a while and then errors out.
Attachment 10295
... cept?

Might be some blocking settings in my browser. Will test.
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  #27  
Old 08-26-2016, 01:36 PM
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Default Re: What's with the Youtubes

YouTube
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  #28  
Old 08-26-2016, 01:37 PM
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Default Re: What's with the Youtubes

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  #29  
Old 08-26-2016, 01:37 PM
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Default Re: What's with the Youtubes

PyQt4 Model View Tutorial Part 01_0 - YouTube
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  #30  
Old 08-26-2016, 01:38 PM
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Default Re: What's with the Youtubes

The youtu.be short URL format isn't working because I made some dumb assumptions about the url format ... :plzhold:
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  #31  
Old 08-27-2016, 02:54 AM
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Default Re: What's with the Youtubes

Oh, sorry. I didn't use the full regex that you said could use some testing, I just added the 'https' to what was already there.
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  #32  
Old 08-27-2016, 10:31 AM
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Default Re: What's with the Youtubes

Smrt - the fuller regex is def wrong :)
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  #33  
Old 08-29-2016, 03:38 AM
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Default Re: What's with the Youtubes

Is there some reason I keep seeing this:
Code:
[http://]*[https://]*
instead of this?

Code:
[https?://]*
(Excuse me if that syntax is wrong, I mostly only do regex in Python.)
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  #34  
Old 08-29-2016, 11:45 AM
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Default Re: What's with the Youtubes

Reason 1: I was entirely lazy when I wrote it.
Reason 2: I haven't thought through it very carefully since.
Reason 3: I certainly haven't tested it.

Looking at it afresh, it strikes me that the [] notation isn't a group it's a character set / character class. So
Code:
[http://]*
would in fact match any of the following strings
'http://'
''
'ptp'
'pthhhpt'
'h://tpp:hhhh/p:t'
which is not really what is wanted.

* JoeP thinks further
Code:
(?:https?://)?
may be better.

* JoeP strolls over to regex test pages.
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  #35  
Old 08-29-2016, 11:52 AM
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Default Re: What's with the Youtubes

Quick, I need 100 test YouTube urls
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  #36  
Old 08-29-2016, 12:35 PM
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Default Re: What's with the Youtubes

Test.

pttthhpt:::thisisinvalid.youtube.mars/watch?v=2qbmGDuzPU8
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  #37  
Old 08-29-2016, 12:36 PM
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Default Re: What's with the Youtubes

pttthhpt:::
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  #38  
Old 08-29-2016, 12:36 PM
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Default Re: What's with the Youtubes

thisisinvalid.youtube.mars/watch?v=2qbmGDuzPU8
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  #39  
Old 08-29-2016, 12:37 PM
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Default Re: What's with the Youtubes

www.youtube.mars/watch?v=2qbmGDuzPU8
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  #40  
Old 08-29-2016, 12:38 PM
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Default Re: What's with the Youtubes

That regex is not the complete story. Perhaps the vB mod is only checking strings already identified as urls by vb.
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  #41  
Old 08-29-2016, 12:40 PM
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Default Re: What's with the Youtubes

http://www.youtube.com/watch?v=2qbmGDuzPU8
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  #42  
Old 08-29-2016, 12:41 PM
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Default Re: What's with the Youtubes

Yup,
Automatically embed media (requires automatic parsing of links in text to be on).
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  #43  
Old 08-29-2016, 12:42 PM
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Default Re: What's with the Youtubes

pttthhpt:::thisisinvalid.youtube.mars/watch?v=2qbmGDuzPU8
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  #44  
Old 08-29-2016, 12:44 PM
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Default Re: What's with the Youtubes

Yup, the [ ] isn't what whoever wrote that original regex thought it was
hh//tt::pp//tt:/:/thisisinvalid.youtube.mars/watch?v=BokeCYFdLFw
Code:
hh//tt::pp//tt:/:/thisisinvalid.youtube.mars/watch?v=BokeCYFdLFw
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  #45  
Old 08-29-2016, 12:46 PM
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Default Re: What's with the Youtubes

This is solid:
Code:
(?:https?://)?(?:www.)?(?:youtube.com/watch?v=|youtu.be/)([A-Z0-9._%-]*)[&w;=+_-]*
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  #46  
Old 08-29-2016, 12:47 PM
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Default Re: What's with the Youtubes

Videos courtesy of Random YouTube Videos.
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  #47  
Old 08-29-2016, 12:48 PM
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Default Re: What's with the Youtubes

Regex testing courtesy of Online regex tester and debugger: JavaScript, Python, PHP, and PCRE which is awesome because it describes your regex:

/(?:https?:\/\/)?(?:www\.)?(?:youtube\.com\/watch\?v=|youtu.be\/)([A-Z0-9._%-]*)[&w;=+_-]*/gi

(?:https?:\/\/)? Non-capturing group
Quantifier: ? Between zero and one time, as many times as possible, giving back as needed [greedy]
http matches the characters http literally (case insensitive)
s? matches the character s literally (case insensitive)
Quantifier: ? Between zero and one time, as many times as possible, giving back as needed [greedy]
: matches the character : literally
\/ matches the character / literally
\/ matches the character / literally
(?:www\.)? Non-capturing group
Quantifier: ? Between zero and one time, as many times as possible, giving back as needed [greedy]
www matches the characters www literally (case insensitive)
\. matches the character . literally
(?:youtube\.com\/watch\?v=|youtu.be\/) Non-capturing group
1st Alternative: youtube\.com\/watch\?v=
youtube matches the characters youtube literally (case insensitive)
\. matches the character . literally
com matches the characters com literally (case insensitive)
\/ matches the character / literally
watch matches the characters watch literally (case insensitive)
\? matches the character ? literally
v= matches the characters v= literally (case insensitive)
2nd Alternative: youtu.be\/
youtu matches the characters youtu literally (case insensitive)
. matches any character (except newline)
be matches the characters be literally (case insensitive)
\/ matches the character / literally
1st Capturing group ([A-Z0-9._%-]*)
[A-Z0-9._%-]* match a single character present in the list below
Quantifier: * Between zero and unlimited times, as many times as possible, giving back as needed [greedy]
A-Z a single character in the range between A and Z (case insensitive)
0-9 a single character in the range between 0 and 9
._%- a single character in the list ._%- literally
[&w;=+_-]* match a single character present in the list below
Quantifier: * Between zero and unlimited times, as many times as possible, giving back as needed [greedy]
&w;=+_- a single character in the list &w;=+_- literally (case insensitive)
g modifier: global. All matches (don't return on first match)
i modifier: insensitive. Case insensitive match (ignores case of [a-zA-Z])
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  #48  
Old 08-30-2016, 04:30 AM
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Default Re: What's with the Youtubes

Applied!
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  #49  
Old 08-30-2016, 10:32 AM
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Default Re: What's with the Youtubes

Testis.

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  #50  
Old 08-30-2016, 10:32 AM
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Default Re: What's with the Youtubes

Succestis!
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