title: Regular expression for address field validation
body: <p>I am trying to write a regular expression that facilitates an address, example 21-big walk way or 21 St.Elizabeth's drive I came up with the following regular expression but I am not too keen to how to incorporate all the characters (alphanumeric, space dash, full stop, apostrophe) </p>
  
  <pre><code>"regexp=^[A-Za-z-0-99999999'
  </code></pre>