Move regex out of the loop to improve performance

src/inputs/textarea.js

@@ -51,13 +51,15 @@ $(function(){
             if(!html) {
                 return '';
             }
+
+            var regex = new RegExp(String.fromCharCode(10), 'g');
             var lines = html.split(/<br\s*\/?>/i);
             for (var i = 0; i < lines.length; i++) {
                 var text = $('<div>').html(lines[i]).text();
 
                 // Remove newline characters (\n) to avoid them being converted by value2html() method
                 // thus adding extra <br> tags
-                text = text.replace(new RegExp(String.fromCharCode(10), 'g'), '');
+                text = text.replace(regex, '');
 
                 lines[i] = text;
             }