Standardizing on .test() and .exec() - moving away from using .match() for RegExp. Fixes jQuery bug #4113.

src/ajax.js

@@ -187,15 +187,15 @@ jQuery.extend({
 		// Handle JSONP Parameter Callbacks
 		if ( s.dataType == "jsonp" ) {
 			if ( type == "GET" ) {
-				if ( !s.url.match(jsre) )
+				if ( jsre.test( !s.url ) )
-					s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?";
+					s.url += (/\?/.test( s.url ) ? "&" : "?") + (s.jsonp || "callback") + "=?";
-			} else if ( !s.data || !s.data.match(jsre) )
+			} else if ( !s.data || !jsre.test(s.data) )
 				s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
 			s.dataType = "json";
 		}
 
 		// Build temporary JSONP function
-		if ( s.dataType == "json" && (s.data && s.data.match(jsre) || s.url.match(jsre)) ) {
+		if ( s.dataType == "json" && (s.data && jsre.test(s.data) || jsre.test(s.url)) ) {
 			jsonp = "jsonp" + jsc++;
 
 			// Replace the =? sequence both in the query string and the data
@@ -228,12 +228,12 @@ jQuery.extend({
 			// try replacing _= if it is there
 			var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
 			// if nothing was replaced, add timestamp to the end
-			s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
+			s.url = ret + ((ret == s.url) ? (/\?/.test(s.url) ? "&" : "?") + "_=" + ts : "");
 		}
 
 		// If data is available, append data to url for get requests
 		if ( s.data && type == "GET" ) {
-			s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;
+			s.url += (/\?/.test(s.url) ? "&" : "?") + s.data;
 		}
 
 		// Watch for a new set of requests

src/attributes.js

@@ -214,7 +214,7 @@ jQuery.extend({
 			if ( name in elem && notxml && !special ) {
 				if ( set ){
 					// We can't allow the type property to be changed (since it causes problems in IE)
-					if ( name == "type" && elem.nodeName.match(/(button|input)/i) && elem.parentNode )
+					if ( name == "type" && /(button|input)/i.test(elem.nodeName) && elem.parentNode )
 						throw "type property can't be changed";
 
 					elem[ name ] = value;
@@ -230,9 +230,9 @@ jQuery.extend({
 					var attributeNode = elem.getAttributeNode( "tabIndex" );
 					return attributeNode && attributeNode.specified
 						? attributeNode.value
-						: elem.nodeName.match(/(button|input|object|select|textarea)/i)
+						: /(button|input|object|select|textarea)/i.test(elem.nodeName)
 							? 0
-							: elem.nodeName.match(/^(a|area)$/i) && elem.href
+							: /^(a|area)$/i.test(elem.nodeName) && elem.href
 								? 0
 								: undefined;
 				}

src/core.js

@@ -474,7 +474,7 @@ jQuery.extend({
 	// It's included for backwards compatibility and plugins,
 	// although they should work to migrate away.
 	browser: {
-		version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
+		version: (/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/.exec(userAgent) || [0,'0'])[1],
 		safari: /webkit/.test( userAgent ),
 		opera: /opera/.test( userAgent ),
 		msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),

src/css.js

@@ -75,7 +75,7 @@ jQuery.extend({
 			}
 
 			return style.filter && style.filter.indexOf("opacity=") >= 0 ?
-				(parseFloat( style.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
+				(parseFloat( /opacity=([^)]*)/.exec(style.filter)[1] ) / 100) + '':
 				"";
 		}
 
@@ -129,7 +129,7 @@ jQuery.extend({
 
 		// IE uses filters for opacity
 		if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
-			ret = (elem.currentStyle.filter || "").match(/opacity=([^)]*)/) ?
+			ret = /opacity=([^)]*)/.test(elem.currentStyle.filter || "") ?
 				(parseFloat(RegExp.$1) / 100) + "" :
 				"";
 
@@ -207,4 +207,4 @@ jQuery.extend({
 		for ( var name in options )
 			elem.style[ name ] = old[ name ];
 	}
-});
+});

src/fx.js

@@ -132,7 +132,7 @@ jQuery.fn.extend({
 				if ( /toggle|show|hide/.test(val) )
 					e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
 				else {
-					var parts = val.toString().match(/^([+-]=)?([\d+-.]+)(.*)$/),
+					var parts = /^([+-]=)?([\d+-.]+)(.*)$/.exec(val),
 						start = e.cur(true) || 0;
 
 					if ( parts ) {

src/manipulation.js

@@ -286,7 +286,7 @@ jQuery.extend({
 			if ( typeof elem === "string" ) {
 				// Fix "XHTML"-style tags in all browsers
 				elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
-					return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
+					return /^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i.test(tag) ?
 						all :
 						front + "></" + tag + ">";
 				});
@@ -302,7 +302,7 @@ jQuery.extend({
 					!tags.indexOf("<leg") &&
 					[ 1, "<fieldset>", "</fieldset>" ] ||
 
-					tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
+					/^<(thead|tbody|tfoot|colg|cap)/.test(tags) &&
 					[ 1, "<table>", "</table>" ] ||
 
 					!tags.indexOf("<tr") &&
@@ -349,7 +349,7 @@ jQuery.extend({
 
 				// IE completely kills leading whitespace when innerHTML is used
 				if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
-					div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
+					div.insertBefore( context.createTextNode( /^\s*/.exec(elem)[0] ), div.firstChild );
 
 				elem = jQuery.makeArray( div.childNodes );
 			}

src/selector.js

@@ -332,7 +332,7 @@ var Expr = Sizzle.selectors = {
 		"": function(checkSet, part, isXML){
 			var doneName = done++, checkFn = dirCheck;
 
-			if ( !part.match(/\W/) ) {
+			if ( !/\W/.test(part) ) {
 				var nodeCheck = part = isXML ? part : part.toUpperCase();
 				checkFn = dirNodeCheck;
 			}
@@ -342,7 +342,7 @@ var Expr = Sizzle.selectors = {
 		"~": function(checkSet, part, isXML){
 			var doneName = done++, checkFn = dirCheck;
 
-			if ( typeof part === "string" && !part.match(/\W/) ) {
+			if ( typeof part === "string" && !/\W/.test(part) ) {
 				var nodeCheck = part = isXML ? part : part.toUpperCase();
 				checkFn = dirNodeCheck;
 			}
@@ -435,7 +435,7 @@ var Expr = Sizzle.selectors = {
 		PSEUDO: function(match, curLoop, inplace, result, not){
 			if ( match[1] === "not" ) {
 				// If we're dealing with a complex expression, or a simple one
-				if ( match[3].match(chunker).length > 1 || /^\w/.test(match[3]) ) {
+				if ( chunker.exec(match[3]).length > 1 || /^\w/.test(match[3]) ) {
 					match[3] = Sizzle(match[3], null, null, curLoop);
 				} else {
 					var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);