title: redis save regex with backslash
body: <p><img src="https://i.stack.imgur.com/wbf0E.png" alt="enter image description here" /></p>
  <p>I am getting an issue after I get results from Redis.</p>
  <p>The regexp is not correct parsing email addresses, is this a better way to handle this problem?</p>
  <p>I  use Golang to write the Regex to Redis but the result is not I want.</p>