title: Credit Card Number Masking with ion-input - Ionic3
body: <p>I tried 3-4 npm modules to mask my ion-input for Credit Card numbers to be Groups of 4.</p>
  
  <p>But every module has their own errors in modules.</p>
  
  <p>I want to mask my ion-input to be groups of 4 (Credit Card number.)</p>
  
  <p><strong>Notes</strong>: There should be some description problem, please ignore it.</p>