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  1. <?php
  2.  
  3. $string = "Hey, I have
  4. more than
  5. one line...";
  6.  
  7. echo (preg_match("~^[\r\n\w /:,.?@;-]+$~",$string))? "Good!" : "Bad!";
Success #stdin #stdout 0.01s 20568KB
comments (?)
stdin
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Standard input is empty
stdout
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Good!
https://ideone.com/53Gnd3
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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