REGEX-Escape for: http://buycafergotonlinenorx.us.com/index/generic-cafergot.html - generic cafergot

Your Input:
Result, the escaped string:
http\:\/\/buycafergotonlinenorx\.us\.com\/index\/generic\-cafergot\.html \- generic cafergot

What must the escaping look like for:
http://buycafergotonlinenorx.us.com/index/generic-cafergot.html - generic cafergot

The excaped text for use in a regex is:
http\:\/\/buycafergotonlinenorx\.us\.com\/index\/generic\-cafergot\.html \- generic cafergot