121 lines
4.3 KiB
JavaScript
121 lines
4.3 KiB
JavaScript
//
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// Regular Expression for URL validation
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//
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// Author: Diego Perini
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// Updated: 2010/12/05
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// License: MIT
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//
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// Copyright (c) 2010-2013 Diego Perini (http://www.iport.it)
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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// the regular expression composed & commented
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// could be easily tweaked for RFC compliance,
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// it was expressly modified to fit & satisfy
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// these test for an URL shortener:
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//
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// http://mathiasbynens.be/demo/url-regex
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//
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// Notes on possible differences from a standard/generic validation:
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//
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// - utf-8 char class take in consideration the full Unicode range
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// - TLDs have been made mandatory so single names like "localhost" fails
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// - protocols have been restricted to ftp, http and https only as requested
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//
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// Changes:
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//
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// - IP address dotted notation validation, range: 1.0.0.0 - 223.255.255.255
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// first and last IP address of each class is considered invalid
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// (since they are broadcast/network addresses)
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//
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// - Added exclusion of private, reserved and/or local networks ranges
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//
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// - Made starting path slash optional (http://example.com?foo=bar)
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//
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// - Allow a dot (.) at the end of hostnames (http://example.com.)
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//
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// Compressed one-line versions:
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//
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// Javascript version (merge into one line)
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//
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// /^(?:(?:https?|ftp):\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})
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// (?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})
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// (?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}
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// (?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)
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// (?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,}))\.?)
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// (?::\d{2,5})?(?:[/?#]\S*)?$/i
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//
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// PHP version (merge into one line)
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//
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// _^(?:(?:https?|ftp)://)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)
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// (?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])
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// (?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5]))
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// {2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\x{00a1}-\x{ffff}0-9]-*)
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// *[a-z\x{00a1}-\x{ffff}0-9]+)(?:\.(?:[a-z\x{00a1}-\x{ffff}0-9]-*)*[a-z\x{00a1}-\x{ffff}0-9]+)
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// *(?:\.(?:[a-z\x{00a1}-\x{ffff}]{2,}))\.?)(?::\d{2,5})?(?:[/?#]\S*)?$_iuS
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//
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export default new RegExp(
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// protocol identifier
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'(?:(?:https?|ftp)://)' +
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// user:pass authentication
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'(?:\\S+(?::\\S*)?@)?' +
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'(?:' +
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// IP address exclusion
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// private & local networks
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'(?!(?:10|127)(?:\\.\\d{1,3}){3})' +
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'(?!(?:169\\.254|192\\.168)(?:\\.\\d{1,3}){2})' +
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'(?!172\\.(?:1[6-9]|2\\d|3[0-1])(?:\\.\\d{1,3}){2})' +
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// IP address dotted notation octets
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// excludes loopback network 0.0.0.0
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// excludes reserved space >= 224.0.0.0
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// excludes network & broacast addresses
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// (first & last IP address of each class)
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'(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])' +
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'(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}' +
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'(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))' +
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'|' +
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// host name
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'(?:(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)' +
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// domain name
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'(?:\\.(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)*' +
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// TLD identifier
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'(?:\\.(?:[a-z\\u00a1-\\uffff]{2,}))' +
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// TLD may end with dot
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'\\.?' +
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')' +
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// port number
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'(?::\\d{2,5})?' +
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// resource path
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'(?:[/?#]\\S*)?', 'img',
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);
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