static public string IsURL(string value, string desc, int length, bool required)
{
value = (value + "").Trim();
if (string.IsNullOrEmpty(value))
{
if (required)
{
return(ValidationMessages.Must_Have_Value(desc));
}
return(null);
}
if (value.Length > length)
{
return(ValidationMessages.Too_Many_Characters(desc, length));
}
Regex url = new Regex(@"(([\w]+:)?//)?(([\d\w]|%[a-fA-f\d]{2,2})+(:([\d\w]|%[a-fA-f\d]{2,2})+)?@)?([\d\w][-\d\w]{0,253}[\d\w]\.)+[\w]{2,4}(:[\d]+)?(/([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)*(\?(&?([-+_~.\d\w]|%[a-fA-f\d]{2,2})=?)*)?(#([-+_~.\d\w]|%[a-fA-f\d]{2,2})*)?");
if (!url.IsMatch(value.Trim()))
{
return(ValidationMessages.URL_Invalid_Format(desc));
}
return(null);
}
static public string IsText(string value, string desc, int minLength, int maxLength, bool required)
{
value = (value + "").Trim();
if (string.IsNullOrEmpty(value))
{
if (required)
{
return(ValidationMessages.Must_Have_Value(desc));
}
else
{
return(null);
}
}
if (value.Length > maxLength)
{
return(ValidationMessages.Too_Many_Characters(desc, maxLength));
}
if (value.Length < minLength)
{
return(ValidationMessages.Too_Few_Characters(desc, minLength));
}
return(null);
}
static public string IsEmail(string value, string desc, int length, bool required)
{
value = (value + "").Trim();
if (string.IsNullOrEmpty(value))
{
if (required)
{
return(ValidationMessages.Must_Have_Value(desc));
}
return(null);
}
if (value.Length > length)
{
return(ValidationMessages.Too_Many_Characters(desc, length));
}
Regex email = new Regex(@"^(([A-Za-z0-9]+_+)|([A-Za-z0-9]+\-+)|([A-Za-z0-9]+\.+)|([A-Za-z0-9]+\++))*[A-Za-z0-9]+@((\w+\-+)|(\w+\.))*\w{1,63}\.[a-zA-Z]{2,6}$");
if (!email.IsMatch(value.Trim()))
{
return(ValidationMessages.Email_Invalid_Format(desc));
}
return(null);
}
