import random
import string
def random_string_generator(str_size, allowed_chars):
return ''.join(random.choice(allowed_chars) for x in range(str_size))
chars = string.ascii_letters + string.punctuation
size = 12
print(chars)
print('Random String of length 12 =', random_string_generator(size, chars))import secrets
secrets.token_hex(nbytes=16)
# this will produce something like
# aa82d48e5bff564f3221d02194611c13import string
import random
length=5
#python2
randomstr = ''.join(random.sample(string.ascii_letters+string.digits,length))
#python3
randomstr = ''.join(random.choices(string.ascii_letters+string.digits,k=length))
import java.util.Random;
public class Generator {
public static String generateRandomPassword(int len) {
String chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijk"
+"lmnopqrstuvwxyz!@#$%&";
Random rnd = new Random();
StringBuilder sb = new StringBuilder(len);
for (int i = 0; i < len; i++)
sb.append(chars.charAt(rnd.nextInt(chars.length())));
return sb.toString();
}
}private static Random random = new Random();
public static string RandomString(int length)
{
const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
return new string(Enumerable.Repeat(chars, length)
.Select(s => s[random.Next(s.Length)]).ToArray());
}// this one is quite compact and generates 11 random letters+numbers
Math.random().toString(36).substring(2) // random output like "0r4q9s1how7"
// just change substring() from 2 to 11 to reduce the string