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Head-First-JavaScript-Programming/appendix/regexp.html at master · devivero/Head-First-JavaScript-Programming · GitHub

21 lines (18 loc) · 378 Bytes

<!doctype html>
  <meta charset="utf-8">
  <title> Regular Expressions </title>
var phoneNumber = new RegExp(/^\d{3}-?\d{4}$/);
var amyHome = "555-1212";
var result = amyHome.match(phoneNumber);
console.log(result);
var invalid = "5556-1212";
var result2 = invalid.match(phoneNumber);
console.log(result2);
  </script>