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What is a good regular expression to match a URL? [duplicate]
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Regex if you want to ensure URL starts with HTTP/HTTPS:
https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)
If you do not require HTTP protocol:
[-a-zA-Z0-9@:%._\+~#=]{1,256...
Cleanest way to get last item from Python iterator
... is precisely what None is for. Are you suggesting that some function-specific default value could even be correct? If the iterator doesn't actually iterate, then an out-of-band value is more meaningful than some misleading function-specific default.
– S.Lott
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static constructors in C++? I need to initialize private static objects
...ts private members. I could add code in the constructor that checks to see if the vector is initialized, and initialize it if it's not, but that introduces many necessary checks and doesn't seem like the optimal solution to the problem.
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Check if URL has certain string with PHP
I would like to know if some word is present in the URL.
15 Answers
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How to replace multiple strings in a file using PowerShell
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Can $original_file == $destination_file? As in I am modifying the same file as my source?
– cquadrini
May 8 '13 at 2:58
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When to use single quotes, double quotes, and backticks in MySQL
...write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought.
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Adding an arbitrary line to a matplotlib plot in ipython notebook
.... What about diagonal lines? I edited the question to add the diagonal bit now that you've shown me the h & v lines.
– JD Long
Oct 12 '12 at 17:51
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How do I force git to use LF instead of CR+LF under windows?
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By now the .gitattributes lines should read: *.txt text eol=lf as per git-scm.com/docs/gitattributes
– grandchild
Jan 9 at 16:41
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Java equivalent to #region in C#
...s. Seriously no hard feeling here, We are all here to learn and share our knowledge and am stating the fact that I was mislead by your answer, maybe it was a good one back in 2010 but not today. I hope you get my point.
– Mazen Elkashef
Mar 1 '16 at 17:02
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How to programmatically show next view in ViewPager?
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Unfortunately I do get different behavior, when the user swipes manually and when I jump using setCurrentItem. The order of calls is reversed. When I swipe, it first calls OnPageChangeListener#onPageSelected and then it calls setUserVisibleHint in t...