Matches the previous expression zero or more times
\
Escapes special characters
\Q...\E
Matches the characters between \Q and \E literally, suppressing the meaning of special characters.
[a-c]
Matches a, b and c
\d
Matches all digits
\w
Matches all word characters
\s
Matches all whitespace characters
^
Matches the start of a line
$
Matches the end of a line
$1..$9
groups are referenced in the replace expression by $i for the i-th group
${count08}
replaced with numbers starting from 1, incrementing by 1 for every match. The numbers after "count" are optional and indicate how many leading spaces the output should use, or if the number is preceded by a zero how many leading zeros.
${count08(start)}
same as ${count}, but with "start" as the start value for counting
${count08(start, increment)}
same as ${count(start)}, but with "increment" as the increment value instead of the default 1
${filepath}
replaced with the path of the currently searched file
${filename}
replaced with the name of the currently searched file. The name does not include the file extension
${fileext}
replaced with the path of the currently searched file