📄 regexp.js
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/* Copyright (c) 2004-2006, The Dojo Foundation All Rights Reserved. Licensed under the Academic Free License version 2.1 or above OR the modified BSD license. For more information on Dojo licensing, see: http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.regexp");dojo.evalObjPath("dojo.regexp.us", true); // this file also defines stuff in the dojo.regexp.us module (TODO: move to separate file?)// *** Regular Expression Generators ***dojo.regexp.tld = function(/*Object?*/flags){ // summary: Builds a RE that matches a top-level domain // // flags: // flags.allowCC Include 2 letter country code domains. Default is true. // flags.allowGeneric Include the generic domains. Default is true. // flags.allowInfra Include infrastructure domains. Default is true. // assign default values to missing paramters flags = (typeof flags == "object") ? flags : {}; if(typeof flags.allowCC != "boolean"){ flags.allowCC = true; } if(typeof flags.allowInfra != "boolean"){ flags.allowInfra = true; } if(typeof flags.allowGeneric != "boolean"){ flags.allowGeneric = true; } // Infrastructure top-level domain - only one at present var infraRE = "arpa"; // Generic top-level domains RE. var genericRE = "aero|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|pro|travel|xxx|jobs|mobi|post"; // Country Code top-level domains RE var ccRE = "ac|ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|" + "bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|" + "ec|ee|eg|er|es|et|fi|fj|fk|fm|fo|fr|ga|gd|ge|gf|gg|gh|gi|gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|" + "hk|hm|hn|hr|ht|hu|id|ie|il|im|in|io|ir|is|it|je|jm|jo|jp|ke|kg|kh|ki|km|kn|kr|kw|ky|kz|la|" + "lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|mv|mw|mx|my|" + "mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|ps|pt|pw|py|qa|re|" + "ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sk|sl|sm|sn|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|" + "to|tr|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw"; // Build top-level domain RE var a = []; if(flags.allowInfra){ a.push(infraRE); } if(flags.allowGeneric){ a.push(genericRE); } if(flags.allowCC){ a.push(ccRE); } var tldRE = ""; if (a.length > 0) { tldRE = "(" + a.join("|") + ")"; } return tldRE; // String}dojo.regexp.ipAddress = function(/*Object?*/flags){ // summary: Builds a RE that matches an IP Address // // description: // Supports 5 formats for IPv4: dotted decimal, dotted hex, dotted octal, decimal and hexadecimal. // Supports 2 formats for Ipv6. // // flags An object. All flags are boolean with default = true. // flags.allowDottedDecimal Example, 207.142.131.235. No zero padding. // flags.allowDottedHex Example, 0x18.0x11.0x9b.0x28. Case insensitive. Zero padding allowed. // flags.allowDottedOctal Example, 0030.0021.0233.0050. Zero padding allowed. // flags.allowDecimal Example, 3482223595. A decimal number between 0-4294967295. // flags.allowHex Example, 0xCF8E83EB. Hexadecimal number between 0x0-0xFFFFFFFF. // Case insensitive. Zero padding allowed. // flags.allowIPv6 IPv6 address written as eight groups of four hexadecimal digits. // flags.allowHybrid IPv6 address written as six groups of four hexadecimal digits // followed by the usual 4 dotted decimal digit notation of IPv4. x:x:x:x:x:x:d.d.d.d // assign default values to missing paramters flags = (typeof flags == "object") ? flags : {}; if(typeof flags.allowDottedDecimal != "boolean"){ flags.allowDottedDecimal = true; } if(typeof flags.allowDottedHex != "boolean"){ flags.allowDottedHex = true; } if(typeof flags.allowDottedOctal != "boolean"){ flags.allowDottedOctal = true; } if(typeof flags.allowDecimal != "boolean"){ flags.allowDecimal = true; } if(typeof flags.allowHex != "boolean"){ flags.allowHex = true; } if(typeof flags.allowIPv6 != "boolean"){ flags.allowIPv6 = true; } if(typeof flags.allowHybrid != "boolean"){ flags.allowHybrid = true; } // decimal-dotted IP address RE. var dottedDecimalRE = // Each number is between 0-255. Zero padding is not allowed. "((\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])"; // dotted hex IP address RE. Each number is between 0x0-0xff. Zero padding is allowed, e.g. 0x00. var dottedHexRE = "(0[xX]0*[\\da-fA-F]?[\\da-fA-F]\\.){3}0[xX]0*[\\da-fA-F]?[\\da-fA-F]"; // dotted octal IP address RE. Each number is between 0000-0377. // Zero padding is allowed, but each number must have at least 4 characters. var dottedOctalRE = "(0+[0-3][0-7][0-7]\\.){3}0+[0-3][0-7][0-7]"; // decimal IP address RE. A decimal number between 0-4294967295. var decimalRE = "(0|[1-9]\\d{0,8}|[1-3]\\d{9}|4[01]\\d{8}|42[0-8]\\d{7}|429[0-3]\\d{6}|" + "4294[0-8]\\d{5}|42949[0-5]\\d{4}|429496[0-6]\\d{3}|4294967[01]\\d{2}|42949672[0-8]\\d|429496729[0-5])"; // hexadecimal IP address RE. // A hexadecimal number between 0x0-0xFFFFFFFF. Case insensitive. Zero padding is allowed. var hexRE = "0[xX]0*[\\da-fA-F]{1,8}"; // IPv6 address RE. // The format is written as eight groups of four hexadecimal digits, x:x:x:x:x:x:x:x, // where x is between 0000-ffff. Zero padding is optional. Case insensitive. var ipv6RE = "([\\da-fA-F]{1,4}\\:){7}[\\da-fA-F]{1,4}"; // IPv6/IPv4 Hybrid address RE. // The format is written as six groups of four hexadecimal digits, // followed by the 4 dotted decimal IPv4 format. x:x:x:x:x:x:d.d.d.d var hybridRE = "([\\da-fA-F]{1,4}\\:){6}" + "((\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(\\d|[1-9]\\d|1\\d\\d|2[0-4]\\d|25[0-5])"; // Build IP Address RE var a = []; if(flags.allowDottedDecimal){ a.push(dottedDecimalRE); } if(flags.allowDottedHex){ a.push(dottedHexRE); } if(flags.allowDottedOctal){ a.push(dottedOctalRE); } if(flags.allowDecimal){ a.push(decimalRE); } if(flags.allowHex){ a.push(hexRE); } if(flags.allowIPv6){ a.push(ipv6RE); } if(flags.allowHybrid){ a.push(hybridRE); } var ipAddressRE = ""; if(a.length > 0){ ipAddressRE = "(" + a.join("|") + ")"; } return ipAddressRE; // String}dojo.regexp.host = function(/*Object?*/flags){ // summary: Builds a RE that matches a host // description: A host is a domain name or an IP address, possibly followed by a port number. // flags: An object. // flags.allowIP Allow an IP address for hostname. Default is true. // flags.allowLocal Allow the host to be "localhost". Default is false. // flags.allowPort Allow a port number to be present. Default is true. // flags in regexp.ipAddress can be applied. // flags in regexp.tld can be applied. // assign default values to missing paramters flags = (typeof flags == "object") ? flags : {}; if(typeof flags.allowIP != "boolean"){ flags.allowIP = true; } if(typeof flags.allowLocal != "boolean"){ flags.allowLocal = false; } if(typeof flags.allowPort != "boolean"){ flags.allowPort = true; } // Domain names can not end with a dash. var domainNameRE = "([0-9a-zA-Z]([-0-9a-zA-Z]{0,61}[0-9a-zA-Z])?\\.)+" + dojo.regexp.tld(flags); // port number RE var portRE = ( flags.allowPort ) ? "(\\:" + dojo.regexp.integer({signed: false}) + ")?" : ""; // build host RE var hostNameRE = domainNameRE; if(flags.allowIP){ hostNameRE += "|" + dojo.regexp.ipAddress(flags); } if(flags.allowLocal){ hostNameRE += "|localhost"; } return "(" + hostNameRE + ")" + portRE; // String}dojo.regexp.url = function(/*Object?*/flags){ // summary: Builds a regular expression that matches a URL // // flags: An object // flags.scheme Can be true, false, or [true, false]. // This means: required, not allowed, or match either one. // flags in regexp.host can be applied. // flags in regexp.ipAddress can be applied. // flags in regexp.tld can be applied. // assign default values to missing paramters flags = (typeof flags == "object") ? flags : {}; if(typeof flags.scheme == "undefined"){ flags.scheme = [true, false]; } // Scheme RE var protocolRE = dojo.regexp.buildGroupRE(flags.scheme, function(q){ if(q){ return "(https?|ftps?)\\://"; } return ""; } ); // Path and query and anchor RE var pathRE = "(/([^?#\\s/]+/)*)?([^?#\\s/]+(\\?[^?#\\s/]*)?(#[A-Za-z][\\w.:-]*)?)?"; return protocolRE + dojo.regexp.host(flags) + pathRE;}dojo.regexp.emailAddress = function(/*Object?*/flags){ // summary: Builds a regular expression that matches an email address // //flags: An object // flags.allowCruft Allow address like <mailto:foo@yahoo.com>. Default is false. // flags in regexp.host can be applied. // flags in regexp.ipAddress can be applied. // flags in regexp.tld can be applied. // assign default values to missing paramters flags = (typeof flags == "object") ? flags : {}; if (typeof flags.allowCruft != "boolean") { flags.allowCruft = false; } flags.allowPort = false; // invalid in email addresses // user name RE - apostrophes are valid if there's not 2 in a row var usernameRE = "([\\da-z]+[-._+&'])*[\\da-z]+"; // build emailAddress RE var emailAddressRE = usernameRE + "@" + dojo.regexp.host(flags); // Allow email addresses with cruft if ( flags.allowCruft ) { emailAddressRE = "<?(mailto\\:)?" + emailAddressRE + ">?"; } return emailAddressRE; // String}dojo.regexp.emailAddressList = function(/*Object?*/flags){ // summary: Builds a regular expression that matches a list of email addresses. // // flags: An object. // flags.listSeparator The character used to separate email addresses. Default is ";", ",", "\n" or " ". // flags in regexp.emailAddress can be applied. // flags in regexp.host can be applied. // flags in regexp.ipAddress can be applied. // flags in regexp.tld can be applied. // assign default values to missing paramters flags = (typeof flags == "object") ? flags : {}; if(typeof flags.listSeparator != "string"){ flags.listSeparator = "\\s;,"; } // build a RE for an Email Address List var emailAddressRE = dojo.regexp.emailAddress(flags); var emailAddressListRE = "(" + emailAddressRE + "\\s*[" + flags.listSeparator + "]\\s*)*" + emailAddressRE + "\\s*[" + flags.listSeparator + "]?\\s*"; return emailAddressListRE; // String}dojo.regexp.integer = function(/*Object?*/flags){ // summary: Builds a regular expression that matches an integer // // flags: An object // flags.signed The leading plus-or-minus sign. Can be true, false, or [true, false]. // Default is [true, false], (i.e. will match if it is signed or unsigned). // flags.separator The character used as the thousands separator. Default is no separator. // For more than one symbol use an array, e.g. [",", ""], makes ',' optional. // flags.groupSize group size between separators // flags.groupSize2 second grouping (for India) // assign default values to missing paramters flags = (typeof flags == "object") ? flags : {}; if(typeof flags.signed == "undefined"){ flags.signed = [true, false]; } if(typeof flags.separator == "undefined"){ flags.separator = ""; } else if(typeof flags.groupSize == "undefined"){ flags.groupSize = 3; } // build sign RE var signRE = dojo.regexp.buildGroupRE(flags.signed, function(q) { return q ? "[-+]" : ""; } ); // number RE var numberRE = dojo.regexp.buildGroupRE(flags.separator, function(sep){ if(sep == ""){ return "(0|[1-9]\\d*)"; } var grp = flags.groupSize, grp2 = flags.groupSize2; if(typeof grp2 != "undefined"){ var grp2RE = "(0|[1-9]\\d{0," + (grp2-1) + "}([" + sep + "]\\d{" + grp2 + "})*[" + sep + "]\\d{" + grp + "})"; return ((grp-grp2) > 0) ? "(" + grp2RE + "|(0|[1-9]\\d{0," + (grp-1) + "}))" : grp2RE; } return "(0|[1-9]\\d{0," + (grp-1) + "}([" + sep + "]\\d{" + grp + "})*)"; } ); // integer RE return signRE + numberRE; // String}dojo.regexp.realNumber = function(/*Object?*/flags){ // summary: Builds a regular expression to match a real number in exponential notation
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