cache XRegExp regexps for performance, and XRegExp.forEach was really slow compared to ordinary while&match

js/qvitter.js

@@ -1966,20 +1966,21 @@ $('body').on('keyup paste input', 'div.queet-box-syntax', function() {
 	currentVal = currentVal.replace(/<br>$/, '').replace(/&nbsp;$/, '').replace(/ $/, ''); // fix
 	$(this).siblings('.syntax-two').html(currentVal);
 
-	// regexps
+	// regexps for syntax highlighting
 	var allDomains = '(ac|ad|aero|af|ag|ai|al|am|an|ao|aq|arpa|asia|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cat|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|com|coop|cr|cu|cv|cw|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|info|int|io|iq|ir|is|it|je|jm|jobs|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mobi|mp|mq|mr|ms|mt|museum|mv|mw|mx|my|mz|name|nc|net|nf|ng|ni|nl|no|np|nr|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|post|pro|ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sx|sy|sz|tc|td|tel|tf|tg|th|tj|tk|tl|tm|tn|to|tp|travel|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|xxx|ye|yt|za|zm|zw|zone)|(ae|ar|as|bi|co|in|jo|mo|mu|na|ne|pr|tr)'; // needs updating
 	var regexps = Object();
-	regexps.externalMention = XRegExp('(^|\\s|\\.|<br>)(@)[a-zA-Z0-9]+(@)[\\p{L}\\p{N}\\-\\.]+(\\.)(' + allDomains + ')($|\\s|\\.|\\,|\\:|\\-|\\<|\\!|\\?|\\&)');		
+	regexps.externalMention = XRegExp.cache('(^|\\s|\\.|<br>)(@)[a-zA-Z0-9]+(@)[\\p{L}\\p{N}\\-\\.]+(\\.)(' + allDomains + ')($|\\s|\\.|\\,|\\:|\\-|\\<|\\!|\\?|\\&)');		
 	regexps.mention = /(^|\s|\.|<br>)(@)[a-zA-Z0-9]+($|\s|\.|\,|\:|\-|\<|\!|\?|\&)/;				
-	regexps.tag = XRegExp('(^|\\s|\\.|<br>)(\\#)[\\p{L}\\p{N}\\-\\.]+($|\\s|\\.|\\,|\\:|\\-|\\<|\\!|\\?|\\&)');	
+	regexps.tag = XRegExp.cache('(^|\\s|\\.|<br>)(\\#)[\\p{L}\\p{N}\\-\\.]+($|\\s|\\.|\\,|\\:|\\-|\\<|\\!|\\?|\\&)');	
 	regexps.group = /(^|\s|\.|<br>)(\!)[a-zA-Z0-9]+($|\s|\.|\,|\:|\-|\<|\!|\?|\&)/;					
 	regexps.url = /(^|\s|\.|<br>|&nbsp;)(http\:\/\/|https\:\/\/)([\wåäö\-\.]+)?(\.)((ac|ad|aero|af|ag|ai|al|am|an|ao|aq|arpa|asia|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cat|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|com|coop|cr|cu|cv|cw|cx|cy|cz|dev|dj|dk|dm|do|dz|ec|edu|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|info|int|io|iq|ir|is|it|je|jm|jobs|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mobi|mp|mq|mr|ms|mt|museum|mv|mw|mx|my|mz|name|nc|net|nf|ng|ni|nl|no|np|nr|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|post|pro|ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sx|sy|sz|tc|td|tel|tf|tg|th|tj|tk|tl|tm|tn|to|tp|travel|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|xxx|ye|yt|za|zm|zw|zone)|(ae|ar|as|bi|co|de|in|jo|mo|mu|na|ne|pr|tr))(\/[\wåäö\%\!\*\'\(\)\;\:\@\&\=\+\$\,\/\?\#\[\]\-\_\.\~]+)?(\/)?($|\s|\,|\:|\-|\<|\!|\?|\&)/;		
 	regexps.urlWithoutProtocol = /(^|\s|\.|<br>|&nbsp;)[\wåäö\-\.]+(\.)((ac|ad|aero|af|ag|ai|al|am|an|ao|aq|arpa|asia|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cat|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|com|coop|cr|cu|cv|cw|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|info|int|io|iq|ir|is|it|je|jm|jobs|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mobi|mp|mq|mr|ms|mt|museum|mv|mw|mx|my|mz|name|nc|net|nf|ng|ni|nl|no|np|nr|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|post|pro|ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sx|sy|sz|tc|td|tel|tf|tg|th|tj|tk|tl|tm|tn|to|tp|travel|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|xxx|ye|yt|za|zm|zw|zone)|(ae|ar|as|bi|co|in|jo|mo|mu|na|ne|pr|tr))(\/[\wåäö\%\!\*\'\(\)\;\:\@\&\=\+\$\,\/\?\#\[\]\-\_\.\~]+)?(\/)?($|\s|\.|\,|\:|\-|\<|\!|\?|\&)/;
 	regexps.email = /(^|\s|\.|<br>)([a-zA-Z0-9\!\#\$\%\&\'\*\+\-\/\=\?\^\_\`\{\|\}\~\.]+)?(@)[\wåäö\-\.]+(\.)((ac|ad|aero|af|ag|ai|al|am|an|ao|aq|arpa|asia|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cat|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|com|coop|cr|cu|cv|cw|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|info|int|io|iq|ir|is|it|je|jm|jobs|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mobi|mp|mq|mr|ms|mt|museum|mv|mw|mx|my|mz|name|nc|net|nf|ng|ni|nl|no|np|nr|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|post|pro|ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sx|sy|sz|tc|td|tel|tf|tg|th|tj|tk|tl|tm|tn|to|tp|travel|tt|tv|tw|tz|ua|ug|uk|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|xxx|ye|yt|za|zm|zw|zone)|(ae|ar|as|bi|co|in|jo|mo|mu|na|ne|pr|tr))($|\s|\.|\,|\:|\-|\<|\!|\?|\&)/;			
 
-
+	// loop through the regexps and highlight
 	$.each(regexps,function(k,v){
-		XRegExp.forEach(currentVal, v, function(currentMatch,i){
+		while(currentVal.match(v)) {
+			var currentMatch = currentVal.match(v);
 			if(currentMatch[0].slice(-1) == '<'
 			|| currentMatch[0].slice(-1) == '&'
 			|| currentMatch[0].slice(-1) == '?'
@@ -1991,12 +1992,12 @@ $('body').on('keyup paste input', 'div.queet-box-syntax', function() {
 			|| currentMatch[0].slice(-1) == ',') {
 				currentMatch[0] = currentMatch[0].slice(0,-1);
 				}
-			currentVal = currentVal.replace(currentMatch[0],'<span class="' + k + '">' + currentMatch[0].replace('#','&#35;').replace('@','&#64;').replace('.','&#046;').replace('!','&#33;') + '</span>');
+			currentVal = currentVal.replace(currentMatch[0],'<span class="' + k + '">' + currentMatch[0].replace('#','&#35;').replace('@','&#64;').replace('.','&#046;').replace('!','&#33;') + '</span>')
-			});
+			}
 		});
-
+		
-	$(this).siblings('.syntax-middle').html(currentVal);			
+	$(this).siblings('.syntax-middle').html(currentVal);
-	});	
+	});