REGEX-Escape for: http://genericjojos.com/ - cheapest viagra generic buy viagra <a href="...

Your Input:
Result, the escaped string:
http\:\/\/genericjojos\.com\/ \- cheapest viagra generic buy viagra \reviews of generic viagra\<\/a\>

What must the escaping look like for:
http://genericjojos.com/ - cheapest viagra generic buy viagra <a href="http://genericjojos.com/">reviews of generic viagra</a>

The excaped text for use in a regex is:
http\:\/\/genericjojos\.com\/ \- cheapest viagra generic buy viagra \<a href\="http\:\/\/genericjojos\.com\/"\>reviews of generic viagra\<\/a\>