fork download
copy 
  1. <?php
  2.  
  3. $name = "ХЭШКОД";
  4. if(!preg_match('/^[а-яё]*$/iu', $name))
  5.     echo 'неок!';
  6. else
  7.     echo 'ок!';
  8.  
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
ок!
https://ideone.com/Id7OFL
language:
PHP (php 7.3.5)
created:
9 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!