How to remove/trim leading and trailing spaces
Video tutorial for these actions
Leading spaces:
Action type: Replace with regular expressions
Field: _TAG
Regular expression: ^\s+
Replace matches with:
^ matches the beginning of the string. Then \s+ searches for all whitespaces till a different char occurs.
The whitespaces found will be replaced by nothing and, thus, deleted.
Trailing spaces:
Action type: Replace with regular expressions
Field: _TAG
Regular expression: \s+$
Replace matches with:
This regular expression matches one and more (marked by +) spaces (marked by the \s specifier) at the end (marked by $) of a string.
Trailing spaces from filenames:
An action that doesn't remove the file extension:
Action type: Format value
Field: _FILENAME
Formatstring: $trim(%_filename%)
Cut two or more consecutive spaces to one:
Action type: Replace with regular expressions
Field: _ALL
Regular expression: \s{2,}
Replace matches with: " " (without the quotes)