Added random string

object.js

@@ -11,7 +11,7 @@ var cloneObj = function( o )
 		return clone;
 	}
 
-	if ( o instanceof Array )
+	else if ( o instanceof Array )
 	{
 		clone = [];
 
@@ -23,7 +23,13 @@ var cloneObj = function( o )
 		return clone;
 	}
 
-	if ( o instanceof Object )
+	else if ( o instanceof RegExp )
+	{
+		clone = new RegExp( o );
+		return clone;
+	}
+
+	else if ( o instanceof Object )
 	{
 		for ( var p in o )
 		{

random.js

@@ -1,3 +1,8 @@
+"use strict";
+
+const charset = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+const charLen = charset.length;
+
 var lut = []; for ( var i=0; i<256; i++ ) { lut[i] = (i<16?'0':'')+(i).toString(16); }
 
 module.exports = {
@@ -12,4 +17,21 @@ module.exports = {
 			lut[d2&0x3f|0x80]+lut[d2>>8&0xff]+'-'+lut[d2>>16&0xff]+lut[d2>>24&0xff]+
 			lut[d3&0xff]+lut[d3>>8&0xff]+lut[d3>>16&0xff]+lut[d3>>24&0xff];
 	}
+	, randstr: function( len )
+	{
+		if( !len ) len = 16;
+
+		var str = "";
+		for( var i = 0; i < len; i ++ )
+		{
+			var d0 = Math.random()*0xffffffff|0;
+
+			str += charset[ ( d0 & 0xff ) % charLen ];
+			if( ++ i < len ) str += charset[ ( d0 >> 8 & 0xff ) % charLen ];
+			if( ++ i < len ) str += charset[ ( d0 >> 16 & 0xff ) % charLen ];
+			if( ++ i < len ) str += charset[ ( d0 >> 24 & 0xff ) % charLen ];
+		}
+
+		return str;
+	}
 };