title: How to stop the characters in Input type="text" field in angular
body: <p>My client requirement is as follows
  1. The input field should be a text
  2. It should not allow characters
  3. It should have range of 0-100
  4. Input format is 99.99</p>
  
  <p>we are using angular 7. Pattern is not working for the validation</p>
  
  <p></p>
  
  <p>Can someone please help me. I am struggling from one day :(
  Thanks!</p>