EXTJS中自定义表单验证

 			
 			Ext.apply(Ext.form.VTypes, 
			{
				isIp:function(val, field) 
				{   
					//返回true，则验证通过，否则验证失败
         			var exp=/^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/;
					var reg = val.match(exp);
					if(reg==null)
					{
						return false;
					}
					else
					{
						return true;
					}
     			},
     			isIpText: '非法IP地址格式'
 			});
 			
 			Ext.apply(Ext.form.VTypes, 
			{
				isMac:function(val, field) 
				{   
					//返回true，则验证通过，否则验证失败
         			var re=/^([0-9a-fA-F]{2}-){5}([0-9a-fA-F]){2}$/;  
         			var reg = val.match(exp);
					if(reg==null)
					{
						return false;
					}
					else
					{
						return true;
					}
     			},
     			isMacText: '非法MAC地址格式'
 			});
 			
 			
 			Ext.apply(Ext.form.VTypes, 
			{
				isOxStr:function(val, field) 
				{   
					//返回true，则验证通过，否则验证失败
					if (field.lenRange)
					{
						var min = field.lenRange.min;
						var max = field.lenRange.max;
						if (val.length<min || val.length>max)
						{
							return false;
						}
					}
					
					for (i = 0; i < val.length; i++)
					{
						if(!((val.charCodeAt(i)>=48&&val.charCodeAt(i)<=57)||(val.charCodeAt(i)>=65&&val.charCodeAt(i)<=70) 
						   || (val.charCodeAt(i)>=97 && val.charCodeAt(i)<=102)))
						return false;
					}
					return true;
     			},
     			isOxStrText: '非法十六进制字符串格式'
 			});