Try using:
^((?:\b[A-Z]+\b\s+)+)(?:.*)(\d{8})
And replace with:
\1\2
Do it this way:
Regex: ^(\b[A-Z]+\b\s+)+(?:.*)(\d{8})
Replace with: \1 \2
Replace regexp capture-group in Notepad++?
Try using:
^((?:\b[A-Z]+\b\s+)+)(?:.*)(\d{8})
And replace with:
\1\2
Do it this way:
Regex: ^(\b[A-Z]+\b\s+)+(?:.*)(\d{8})
Replace with: \1 \2