I want to convert this string
<br>
<br class="MsoNormal" align="justify" style="MARGIN: 0cm 0cm 0pt">
<br class="MsoNormal" align="justify" style="MARGIN: 0cm 0cm 0pt">
<br>
<br>
<br class="MsoNormal" align="justify" style="MARGIN: 0cm 0cm 0pt">
Content here
become
Content here
How to do it with regex ?