title: Unnecessary escape character: \` no-useless-escape
body: <p>I am using thing url regex validation and also have eslint integrated in project.</p>
  
  <pre><code>let url = /^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&amp;'\(\)\*\+,;=.]+$/
  </code></pre>
  
  <p>But when I compile my code getting below errors</p>
  
  <pre><code>  4:49  error  Unnecessary escape character: \`  no-useless-escape
    4:62  error  Unnecessary escape character: \.  no-useless-escape
    4:75  error  Unnecessary escape character: \$  no-useless-escape
    4:79  error  Unnecessary escape character: \(  no-useless-escape
    4:81  error  Unnecessary escape character: \)  no-useless-escape
    4:83  error  Unnecessary escape character: \*  no-useless-escape
    4:85  error  Unnecessary escape character: \+  no-useless-escape
  </code></pre>