title: Regex to allow ONLY zero before 2 decimal points
body: <p>I want these to be valid
  .10<br />
  0.10<br />
  .99<br />
  0.99<br />
  and this not valid
  1<br />
  1.00<br />
  9.00</p>
  <p>^\d{0,0}(.\d{1,2})?$
  ^\d{0,1}(.\d{1,2})?$</p>
  <p>I want the user to be able to 0.99 but not 1.99
  I am using this regex in a vendor basec system.</p>
  <p>I get an error in the system, saying 0.11 is invalid using ^\d{0,0}(.\d{1,2})?$
  All numbers 0.99 to 9.99 are valid using ^\d{0,1}(.\d{1,2})?$</p>
  <p>I want the user to be able to enter .11 and 0.11 which I am cannot do
  Help is parreciated.</p>