title: Use regex to get array of values from string in javascript
body: <p>I am trying to get all the words comes with inside bracket in  string using javascript but i am not get clear idea. please help me.</p>
  
  <p><strong>Input</strong></p>
  
  <pre><code>"  (  [Field1]  +  [Field2]  )    +    (  [Field3]  -  [Field4]  )  "
  </code></pre>
  
  <p><strong>Required Output</strong></p>
  
  <pre><code>["Field1","Field2","Field3","Field4"]
  </code></pre>
  
  <p>Thanks in advance</p>