REGEX-Escape for: http://cheapviagrafasg.com/ - where can i buy viagra viagra prescription online...

Your Input:
Result, the escaped string:
http\:\/\/cheapviagrafasg\.com\/ \- where can i buy viagra viagra prescription online \buy cheapest viagra\<\/a\>

What must the escaping look like for:
http://cheapviagrafasg.com/ - where can i buy viagra viagra prescription online <a href="http://cheapviagrafasg.com/#">buy cheapest viagra</a>

The excaped text for use in a regex is:
http\:\/\/cheapviagrafasg\.com\/ \- where can i buy viagra viagra prescription online \<a href\="http\:\/\/cheapviagrafasg\.com\/#"\>buy cheapest viagra\<\/a\>