C#

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings. C#

bool success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

success = false;

Chilkat.Prng fortuna = new Chilkat.Prng();

bool bDigits;
bool bLowercase;
bool bUppercase;

// Generate random strings having only lowercase chars (a-z)
// Disallow digits and uppercase and only allow lowercase
bDigits = false;
bUppercase = false;
bLowercase = true;

int i;

Debug.WriteLine("-- only lowercase alpha (a-z)");
for (i = 1; i <= 10; i++) {
    // Generate 20-character strings.
    Debug.WriteLine(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
}

// Allow both lowercase and uppercase alpha chars
bUppercase = true;
Debug.WriteLine("-- lower and uppercase alpha (a-zA-Z)");
for (i = 1; i <= 10; i++) {
    // Generate 20-character strings.
    Debug.WriteLine(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
}

// Allow digits (0-9)
bDigits = true;
Debug.WriteLine("-- digits and lower/uppercase alpha (0-9a-zA-Z)");
for (i = 1; i <= 10; i++) {
    // Generate 20-character strings.
    Debug.WriteLine(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
}

// Allow only digits (0-9)
bUppercase = false;
bLowercase = false;
Debug.WriteLine("-- only digits (0-9)");
for (i = 1; i <= 10; i++) {
    // Generate 20-character strings.
    Debug.WriteLine(fortuna.RandomString(20,bDigits,bLowercase,bUppercase));
}