Magento 2 – remove everything after hr tag

I have one attribute with the name tech_data and in this attribute I have the following values: <p><a title=”SDS” href=”PDF/SDS/SDS.pdf” target=”_blank”>SDS</a> | <a title=”Sheet” href=”PDF/Specification/Sheet.pdf” target=”_blank”>Sheet</a> | <a class=”caption” title=”Brochure” href=”/downloads/brochures/performance” target=”_blank”>Brochure</a> <hr /> <p> </p> <p>Insulation Type: Insulator – Designed to be put directly on heat source to keep in</p> I use the following…