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What is a good regular expression to match a URL? [duplicate]

...t 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}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*) To try this out see http...
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Python function attributes - uses and abuses [closed]

..., arg2): ... then I can define def webmethod(func): func.is_webmethod = True return func Then, when a webservice call arrives, I look up the method, check whether the underlying function has the is_webmethod attribute (the actual value is irrelevant), and refuse the service if ...
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Backbone.js: get current route

...rrent object of routes and convert to array-pairs routes = _.pairs(Router.routes); // Loop through array pairs and return // array on first truthful match. var matched = _.find(routes, function(handler) { var route = handler[0]; ...
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How to calculate the difference between two dates using PHP?

...runk/ext/date/lib/interval.c?revision=298973&view=markup */ function _date_range_limit($start, $end, $adj, $a, $b, $result) { if ($result[$a] < $start) { $result[$b] -= intval(($start - $result[$a] - 1) / $adj) + 1; $result[$a] += $adj * intval(($start - $result[$a] - 1)...
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How do I create a variable number of variables?

... answered Sep 3 '09 at 12:41 c_harmc_harm add a comment ...
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How to list all installed packages and their versions in Python?

...ay of including the version ... sometimes its Package.version() or package.__version__ or package.ver or any number of other possibilities – Joran Beasley Oct 17 '12 at 18:16 ...
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Remove not alphanumeric characters from string

...: input.replace(/\W/g, '') Note that \W is the equivalent of [^0-9a-zA-Z_] - it includes the underscore character. To also remove underscores use e.g.: input.replace(/[^0-9a-z]/gi, '') The input is malformed Since the test string contains various escaped chars, which are not alphanumeric, it ...
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Can I use Objective-C blocks as properties?

... I didn't know that, thanks! ... Although I often do @synthesize myProp = _myProp – Robert Nov 8 '12 at 8:04 ...
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Break when a value changes using the Visual Studio debugger

...eading somewhere this is a tough feature to implement in debugging managed apps especially with garbage collector involved. – Gulzar Nazim Oct 1 '08 at 23:25 27 ...
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In Scala, what exactly does 'val a: A = _' (underscore) mean?

What exactly does val a: A = _ initialize a value to? Is this a typed null? Thanks. 2 Answers ...