title: Regex to validate that the first letter of a word in input field is not a special character
body: <p>I am using angularjs. I want to use validation for my name field. I am a beginner in regex expressions. I want that the first letter of the name is not a special Character. For E.g My$Repo should be valid and $MyRepo is invalid.</p>
  
  <p>I am using ng-pattern to validate the name field. What regex expression should i use? Appreciate your help.</p>