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Strip phone number of all non alpha-numeric characters

/ Published in: PHP
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  1. <?php
  2.  
  3. /**
  4.  * Strip a Phone number of all non alphanumeric characters
  5.  */
  6. $phone = "+1(555)-555-1212";
  7. $phone = preg_replace('/(\W*)/', '', $phone);
  8. print $phone;
  9.  
  10. // Result: 15555551212
  11.  
  12. ?>

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