Clean up regexen; use common regex for numbers. Close gh-862.

src/ajax.js

@@ -12,7 +12,7 @@ var // Document location
 	rquery = /\?/,
 	rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
 	rts = /([?&])_=[^&]*/,
-	rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+))?)?/,
+	rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
 
 	// Keep a copy of the old load method
 	_load = jQuery.fn.load,

src/attributes.js

 var nodeHook, boolHook, fixSpecified,
-	rclass = /[\n\t\r]/g,
+	rclass = /[\t\r\n]/g,
 	rreturn = /\r/g,
 	rtype = /^(?:button|input)$/i,
 	rfocusable = /^(?:button|input|object|select|textarea)$/i,
-	rclickable = /^a(?:rea)?$/i,
+	rclickable = /^a(?:rea|)$/i,
 	rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
 	getSetAttribute = jQuery.support.getSetAttribute;
 

src/core.js

@@ -30,6 +30,9 @@ var
 		return new jQuery.fn.init( selector, context, rootjQuery );
 	},
 
+	// Used for matching numbers
+	core_pnum = /[\-+]?(?:\d*\.|)\d+(?:[eE][\-+]?\d+|)/.source,
+
 	// Used for detecting and trimming whitespace
 	core_rnotwhite = /\S/,
 	core_rspace = /\s+/,
@@ -42,13 +45,13 @@ var
 	rquickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,
 
 	// Match a standalone tag
-	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
+	rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
 
 	// JSON RegExp
 	rvalidchars = /^[\],:{}\s]*$/,
 	rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
 	rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
-	rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
+	rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d\d*\.|)\d+(?:[eE][\-+]?\d+|)/g,
 
 	// Matches dashed string for camelizing
 	rmsPrefix = /^-ms-/,

src/css.js

 var curCSS, iframe, iframeDoc,
 	ralpha = /alpha\([^)]*\)/i,
 	ropacity = /opacity=([^)]*)/,
-	rnumsplit = /^([\-+]?(?:\d*\.)?\d+)(.*)$/i,
-	rnumnonpx = /^-?(?:\d*\.)?\d+(?!px)[^\d\s]+$/i,
-	rrelNum = /^([\-+])=([\-+.\de]+)/,
+	rposition = /^(top|right|bottom|left)$/,
 	rmargin = /^margin/,
+	rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
+	rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
+	rrelNum = new RegExp( "^([-+])=(" + core_pnum + ")", "i" ),
 	elemdisplay = {},
-	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
-
-	// order is important!
-	cssExpand = [ "Top", "Right", "Bottom", "Left" ],
-	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
-	rposition = /^(top|right|bottom|left)$/,
-
-	eventsToggle = jQuery.fn.toggle,
 
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
 	cssNormalTransform = {
 		letterSpacing: 0,
 		fontWeight: 400,
 		lineHeight: 1
-	};
+	},
+
+	cssExpand = [ "Top", "Right", "Bottom", "Left" ],
+	cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
+
+	eventsToggle = jQuery.fn.toggle;
 
 // return a css property mapped to a potentially vendor prefixed property
 function vendorPropName( style, name ) {

src/deprecated.js

@@ -11,9 +11,9 @@ jQuery.uaMatch = function( ua ) {
 
 	var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
 		/(webkit)[ \/]([\w.]+)/.exec( ua ) ||
-		/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
+		/(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
 		/(msie) ([\w.]+)/.exec( ua ) ||
-		ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
+		ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
 		[];
 
 	return {

src/effects.js

 var fxNow, timerId,
 	rfxtypes = /^(?:toggle|show|hide)$/,
-	rfxnum = /^(?:([\-+])=)?([\d+.\-]+)([a-z%]*)$/i,
+	rfxnum = new RegExp( "^(?:([-+])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
 	rrun = /queueHooks$/,
 	animationPrefilters = [ defaultPrefilter ],
 	tweeners = {

src/event.js

 var rformElems = /^(?:textarea|input|select)$/i,
-	rtypenamespace = /^([^\.]*)?(?:\.(.+))?$/,
-	rhoverHack = /(?:^|\s)hover(\.\S+)?\b/,
+	rtypenamespace = /^([^\.]*|)(?:\.(.+)|)$/,
+	rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
 	rkeyEvent = /^key/,
 	rmouseEvent = /^(?:mouse|contextmenu)|click/,
 	rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
@@ -157,7 +157,7 @@ jQuery.event = {
 			type = ( selector? special.delegateType : special.bindType ) || type;
 			eventType = events[ type ] || [];
 			origCount = eventType.length;
-			namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.)?") + "(\\.|$)") : null;
+			namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
 
 			// Remove matching events
 			for ( j = 0; j < eventType.length; j++ ) {
@@ -254,7 +254,7 @@ jQuery.event = {
 		event.isTrigger = true;
 		event.exclusive = exclusive;
 		event.namespace = namespaces.join( "." );
-		event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.)?") + "(\\.|$)") : null;
+		event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
 		ontype = type.indexOf( ":" ) < 0 ? "on" + type : "";
 
 		// Handle a global trigger

src/manipulation.js

@@ -14,7 +14,7 @@ function createSafeFragment( document ) {
 
 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
 		"header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
-	rinlinejQuery = / jQuery\d+="(?:\d+|null)"/g,
+	rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
 	rleadingWhitespace = /^\s+/,
 	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
 	rtagName = /<([\w:]+)/,