fork(3) download
copy 
  1. <?php
  2. $pattern = "/^(?=.*[A-Z])(?=.*[0-9])[A-Z0-9]{8}$/i";
  3. echo preg_match($pattern, "A1234567") . "\n";
  4. echo preg_match($pattern, "A123456A") . "\n";
  5. echo preg_match($pattern, "12345678") . "\n";
  6. echo preg_match($pattern, "AAAAAAAA") . "\n";
  7. ?>
Success #stdin #stdout 0s 13112KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1
1
0
0
https://ideone.com/vRJA7
language:
PHP (php 7.3.5)
created:
13 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!