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What is the best regular expression to check if a string is a valid URL?

...EFFFD}!\$&'\(\)\*\+,;=:@])|[\/\?])*)?)$/i How they were compiled (in PHP): <?php /* Regex convenience functions (character class, non-capturing group) */ function cc($str, $suffix = '', $negate = false) { return '[' . ($negate ? '^' : '') . $str . ']' . $suffix; } function ncg($str, $...
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How do I match any character across multiple lines in a regular expression?

..., but there should be a modifier that you can add to the regex pattern. In PHP it is: /(.*)<FooBar>/s The s at the end causes the dot to match all characters including newlines. share | imp...
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Difference between \w and \b regular expression meta characters

...javascriptkit.com/javatutors/redev2.shtml http://www.virtuosimedia.com/dev/php/37-tested-php-perl-and-javascript-regular-expressions http://www.i-programmer.info/programming/javascript/4862-master-javascript-regular-expressions.html I found this to be a very useful book: Mastering Regular Expres...
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https connection using CURL from command line

...e call to allow insecure connections. curl -k https://whatever.com/script.php Edit: I discovered the root of the problem. I was using an SSL certificate (from StartSSL, but I don't think that matters much) and hadn't set up the intermediate certificate properly. If you're having the same problem ...
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Can anyone explain what JSONP is, in layman terms? [duplicate]

...p; xhr.status == 200) { // success }; }; xhr.open("GET", "somewhere.php", true); xhr.send(); JSONP Request: var tag = document.createElement("script"); tag.src = 'somewhere_else.php?callback=foo'; document.getElementsByTagName("head")[0].appendChild(tag); The difference between a JSON...
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Precedence and bitmask operations

... Seems to me that PHP has strnage operator precedence overall. – Alvin Wong Feb 24 '14 at 10:11 ...
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Facebook Open Graph not clearing cache

...ER['HTTP_HOST'].'/'.$user_photo; <meta property="og:url" content="<?php echo $url; ?>"/> <meta property="og:image" content="<?php echo $user_photo; ?>" Just add this to your page: // with jQuery $.post( 'https://graph.facebook.com', { id: '<?php echo $url;...
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How do I make a text input non-editable?

...nt input to be shown, but totally disabled (even processing languages like PHP wont be able to read those). share | improve this answer | follow | ...
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Can I use my existing git repo with openshift?

... | 0 bytes/s, done. Total 3 (delta 2), reused 0 (delta 0) remote: Stopping PHP 5.4 cartridge (Apache+mod_php) remote: Waiting for stop to finish remote: Waiting for stop to finish remote: Building git ref 'master', commit 3fc96b2 remote: Preparing build for deployment remote: Deployment id is 9037d3...
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For..In loops in JavaScript - key value pairs

I was wondering if there's a way to do something like a PHP foreach loop in JavaScript. The functionality I'm looking for is something like this PHP Snippet: ...