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Validate Phone Number

Validates a phone number against the regular expression: (555) 555-1234

Submitted By: skyhawk133
Actions:
Rating:
Views: 38,488

Language: JavaScript
Last Modified: February 28, 2005
Instructions: Call using isPhoneNumber(form.field.value);

Returns Boolean

Snippet


  1. function isPhoneNumber(s)
  2. {
  3.  
  4.      // Check for correct phone number
  5.      rePhoneNumber = new RegExp(/^\([1-9]\d{2}\)\s?\d{3}\-\d{4}$/);
  6.  
  7.      if (!rePhoneNumber.test(s)) {
  8.           alert("Phone Number Must Be Entered As: (555) 555-1234");
  9.           return false;
  10.      }
  11.  
  12. return true;
  13. }

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