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docs: add some more details about supported regex syntax

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This commit is contained in:
albertony
2025-08-28 09:04:37 +02:00
committed by Nick Craig-Wood
parent c9df7b1cd7
commit c3932ecde1
2 changed files with 11 additions and 4 deletions
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9
cmd/convmv/convmv.go
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@@ -34,7 +34,14 @@ var commandDefinition = &cobra.Command{
Long: strings.ReplaceAll(`convmv supports advanced path name transformations for converting and renaming Long: strings.ReplaceAll(`convmv supports advanced path name transformations for converting and renaming
files and directories by applying prefixes, suffixes, and other alterations. files and directories by applying prefixes, suffixes, and other alterations.
`+transform.Help()+`Multiple transformations can be used in sequence, applied `+transform.Help()+`The regex command generally accepts Perl-style regular expressions, the exact
syntax is defined in the [Go regular expression reference](https://golang.org/pkg/regexp/syntax/).
The replacement string may contain capturing group variables, referencing
capturing groups using the syntax ¡$name¡ or ¡${name}¡, where the name can
refer to a named capturing group or it can simply be the index as a number.
To insert a literal $, use $$.
Multiple transformations can be used in sequence, applied
in the order they are specified on the command line. in the order they are specified on the command line.
The ¡--name-transform¡ flag is also available in ¡sync¡, ¡copy¡, and ¡move¡. The ¡--name-transform¡ flag is also available in ¡sync¡, ¡copy¡, and ¡move¡.

6
docs/content/filtering.md
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@@ -149,9 +149,9 @@ uses) to make things easy for users. However this does not provide
absolute control over the matching, so for advanced users rclone also absolute control over the matching, so for advanced users rclone also
provides a regular expression syntax. provides a regular expression syntax.
The regular expressions used are as defined in the [Go regular Rclone generally accepts Perl-style regular expressions, the exact syntax
expression reference](https://golang.org/pkg/regexp/syntax/). Regular is defined in the [Go regular expression reference](https://golang.org/pkg/regexp/syntax/).
expressions should be enclosed in `{{` `}}`. They will match only the Regular expressions should be enclosed in `{{` `}}`. They will match only the
last path segment if the glob doesn't start with `/` or the whole path last path segment if the glob doesn't start with `/` or the whole path
name if it does. Note that rclone does not attempt to parse the name if it does. Note that rclone does not attempt to parse the
supplied regular expression, meaning that using any regular expression supplied regular expression, meaning that using any regular expression