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  1. <?php
  2.  
  3. // // error reporting (-1);
  4.  
  5. $regexp = "/^7[0-9] {11}";
  6. $s = '7123h666';
  7. $i = '958678064579';
  8. if (preg_match($regexp,$s)) {
  9. 	echo " начинается с 7\n";
  10. } else {
  11. 	echo "НЕ начинается с 7\n";
  12. }
  13.  
  14. if (preg_match($regexp,$i)) {
  15. 	echo "11 цифр\n";
  16. } else {
  17. 	echo "не 11 цифр\n";
  18.  
  19. }	
  20.  
Success #stdin #stdout #stderr 0.01s 20568KB
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stdin
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Standard input is empty
stdout
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НЕ начинается с 7
не 11 цифр
stderr
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PHP Warning:  preg_match(): No ending delimiter '/' found in /home/CRxm4b/prog.php on line 8
PHP Warning:  preg_match(): No ending delimiter '/' found in /home/CRxm4b/prog.php on line 14
https://ideone.com/MOsqAu
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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