REGEX-Escape for: http://viagrafa.com/ - buy herbal viagra online viagra cheap <a href="h...

Your Input:
Result, the escaped string:
http\:\/\/viagrafa\.com\/ \- buy herbal viagra online viagra cheap \viagra super active online\<\/a\>

What must the escaping look like for:
http://viagrafa.com/ - buy herbal viagra online viagra cheap <a href="http://viagrafa.com/#">viagra super active online</a>

The excaped text for use in a regex is:
http\:\/\/viagrafa\.com\/ \- buy herbal viagra online viagra cheap \<a href\="http\:\/\/viagrafa\.com\/#"\>viagra super active online\<\/a\>