title: Regular expression for word that not starts with dot
body: <p>I need to create regular expression for the word not starting with dot and it may contains any alphabet,space and dot.</p>
  
  <p>Ex: sample,sample.test,sample test</p>
  
  <p>regular expression should not allow .sample,sample.,sample .test</p>
  
  <p>how to generate regular expression for this?</p>