Hyperlinks are one of the buggiest parts of Word, and contrary to popular belief, there are actually three parts to them:

1. The displayed text e.g. 'Click here to access \\bnepf5\data'
2. The hyperlink in the field code e.g. {HYPERLINK "\\\\bnepf5\\data"}
3. An internal hyperlink used by Word, only accessible from program code.

The problem stems from the fact that Word does not correctly keep #2 and #3 synchronized.

So to replace a hyperlink of \\bnepf5\data with \\osrhome\data involves THREE searches:

* Note that backslashes in the filename are ONLY doubled when searching inside field codes.