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| // | |
| // Regular Expression for URL validation | |
| // | |
| // Author: Diego Perini | |
| // Updated: 2010/12/05 | |
| // | |
| // the regular expression composed & commented | |
| // could be easily tweaked for RFC compliance, | |
| // it was expressly modified to fit & satisfy | |
| // these test for an URL shortener: | |
| // | |
| // http://mathiasbynens.be/demo/url-regex | |
| // | |
| // Notes on possible differences from a standard/generic validation: | |
| // | |
| // - utf-8 char class take in consideration the full Unicode range | |
| // - TLDs have been made mandatory so single names like "localhost" fails | |
| // - protocols have been restricted to ftp, http and https only as requested | |
| // | |
| // Changes: | |
| // | |
| // - IP address dotted notation validation, range: 1.0.0.0 - 223.255.255.255 | |
| // first and last IP address of each class is considered invalid | |
| // (since they are broadcast/network addresses) | |
| // | |
| // Compressed one-line versions: | |
| // | |
| // Javascript version | |
| // | |
| // /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\u00a1-\uffff](?:[a-z0-9\u00a1-\uffff_]|(?<!-)-(?!-)){0,62})?[a-z0-9\u00a1-\uffff]\.)+(?:[a-z\u00a1-\uffff]{2,}))(?::\d{2,5})?(?:[/?#]\S*)?$/i | |
| // |
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