title: How to write Regular expression for minimum one character in javascript?
body: <p>I have small requirement in Regular expression,here I need minimum of one letter of Alphabets and followed by numbers and special characters. I tried the following regular expressions but I'm not getting the solution.</p>
  
  <pre><code>/^[a-zA-Z0-9\-\_\/\s,.]+$/
  </code></pre>
  
  <p>and</p>
  
  <pre><code>/^([a-zA-Z0-9]+)$/
  </code></pre>