Find INVOICE any Number of Spaces Before #, but Not Capture it and then Capture any Numbers, Letters, Dashes, or Dots until the end of String

Find INVOICE any number of spaces before #, but don’t capture it and then capture any numbers, letters, dashes, or dots until the end of string.

(?<=INVOICE\s?#\s*)[0-9|a-zA-Z\-\.]+(?=\s|$)

INVOICE # 1A2b3Cc

1A2b3Cc

Validate INVOICE and any number of spaces before #, but don’t capture it and then capture any numbers, letters, dashes, or dots until the end of string.