- Code: Select all
Match: ^(18\d\d\d\d.*)$
Replace: 20\1
Match all files that start with 18, followed by 4 digits, followed by anything else.
Prefix those files with, 20.
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Alternatively, you could pre-select, by various means, only files that start with 18, & then use:
7:Add -> Prefix: 20
One method to select would be:
12:Filters -> Mask: ^18\d\d\d\d (& checkmark, RegEx, box)