Randomizing

Simple yet customizable function that allows you to generate random strings using characters from multiple sets e.g. upper case, lower case, digits and symbols. The random strings can be used in various systems where short, random strings are needed; such as login systems (random password generation) and referral/promotional/discount codes. The coder can specify and change the complexity of string with ease. Few examples presets and output included.

We will use RDN function to generate a random number. Our first example generates a random number between 1 ~ 10.

Let's say you have a website and contains a membership process. But you do not want visitor to type his/her own password and want to create a temporary password for new member. You may add following function to generate a random password.

This sample code presents three different ways to show a random image in ASP, each approach illustrated and explained. Source code available for download.

This is a quick and easy example of how to create a random password and mail it to the person who tried to register at your site.