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  1. <?php
  2.  
  3. $str = "a1234"; 
  4.  
  5. if (preg_match('/^\d/', $str)) {
  6. 	if (mb_strlen(preg_replace('/\D/', '', $str), 'UTF8') < 4 || 
  7.    	  mb_strlen(preg_replace('/[\P{L}\P{M}]/u', '', $str), 'UTF8') < 2) {
  8. 	   	echo "Invalid";
  9. 	}
  10. 	else
  11. 	{
  12. 		echo "Valid";
  13. 	}
  14. }
  15.  
Success #stdin #stdout 0.03s 52480KB
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https://ideone.com/GchfHx
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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