When I do that i get this error message.
Quote:
calibre, version 2.42.0
ERROR: Invalid regular expression: Invalid regular expression: unbalanced parenthesis
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Quote:
Originally Posted by eschwartz
Your "published" capture group is empty.
You want:
Code:
(?P<author>[^_]+) - (?P<title>.+) [(?P<published>[0-9]+)]
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