Regex to find URL mismatch

[SEA_Language]

Please help to provide a regex to find out the URL mismatch. For example:
Source contains: www.westinghousenuclear.com
Target contains: www.michters.com

This is just an example, but there could be a different and more complex and long URL.

[Jussi]

This is a bit late reply, but since no one has not answered this quite important questions, here we go:
PowerSearch: On
RegularExpression (both source and target)
Case Sensitive: (not important in URLs)

Source:
“(http://.*)=1([:space:]|[:punct:])”
Target:
-@1

Example: