fixing links

Author: Asabeneh

12_Day/12_day_regular_expressions.md

@@ -6,6 +6,7 @@
   <a class="header-badge" target="_blank" href="https://twitter.com/Asabeneh">
   <img alt="Twitter Follow" src="https://img.shields.io/twitter/follow/asabeneh?style=social">
   </a>
+
   <sub>Author:
   <a href="https://www.linkedin.com/in/asabeneh/" target="_blank">Asabeneh Yetayeh</a><br>
   <small> January, 2020</small>