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  1. <?php
  2.  
  3. 	$number = '0208 123-4567';
  4. 	echo	validateGBNumber($number);
  5. 	function validateGBNumber($number)
  6.  
  7. 	{
  8.  
  9. 		$pattern = '((^\(?(?:(?:0(?:0|11)\)?[\s-]?\(?|\+)44\)?[\s-]?\(?(?:0\)?[\s-]?\(?)?|0)(?:\d{2}\)?[\s-]?\d{4}[\s-]?\d{4}|\d{3}\)?[\s-]?\d{3}[\s-]?\d{3,4}|\d{4}\)?[\s-]?(?:\d{5}|\d{3}[\s-]?\d{3})|\d{5}\)?[\s-]?\d{4,5}|8(?:00[\s-]?11[\s-]?11|45[\s-]?46[\s-]?4\d))(?:(?:[\s-]?(?:x|ext\.?\s?|\#)\d+)?)$)|(\(?[2-9][0-8][0-9]\)?[-. ]?[0-9]{3}[-. ]?[0-9]{4}))';
  10.  
  11. 		//http://w...content-available-to-author-only...g.uk/index.php/Regular_Expressions_for_Validating_and_Formatting_GB_Telephone_Numbers
  12.  
  13. 		$match = preg_match($pattern,$number);
  14.  
  15. 		if ($match != false)
  16.  
  17. 		{
  18.  
  19. 			return 1;
  20.  
  21. 		}
  22.  
  23. 		else
  24.  
  25. 		{
  26.  
  27. 			return 0;
  28.  
  29. 		}
  30.  
  31. 	}	
  32.  
  33. ?>
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https://ideone.com/zwzmKU
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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