REGEX-Escape for: <a href="http://viagra1019.com/">viagra</a> <a href=&q...

Your Input:
Result, the escaped string:

What must the escaping look like for:
<a href="http://viagra1019.com/">viagra</a> <a href="http://elimite.institute/">elimite</a> <a href="http://cialisnoednomore.com/">order cialis</a> <a href="http://colchicine.run/">colchicine</a> <a href="http://buylasix.network/">buy lasix</a> <a href="http://prednisone2020.com/">prednisone</a> <a href="http://celexa.network/">celexa purchase</a> <a href="http://lexaprofastdelivery.com/">lexapro no prescription</a> <a href="http://buysildenafilonlinenorx.us.com/">sildenafil citrate buy</a>

The excaped text for use in a regex is:
\<a href\="http\:\/\/viagra1019\.com\/"\>viagra\<\/a\> \<a href\="http\:\/\/elimite\.institute\/"\>elimite\<\/a\> \<a href\="http\:\/\/cialisnoednomore\.com\/"\>order cialis\<\/a\> \<a href\="http\:\/\/colchicine\.run\/"\>colchicine\<\/a\> \<a href\="http\:\/\/buylasix\.network\/"\>buy lasix\<\/a\> \<a href\="http\:\/\/prednisone2020\.com\/"\>prednisone\<\/a\> \<a href\="http\:\/\/celexa\.network\/"\>celexa purchase\<\/a\> \<a href\="http\:\/\/lexaprofastdelivery\.com\/"\>lexapro no prescription\<\/a\> \<a href\="http\:\/\/buysildenafilonlinenorx\.us\.com\/"\>sildenafil citrate buy\<\/a\>