Areca Backup - Regex
You can use regular expressions to include / exclude source files in your backups.
Regular expressions quick reference :
Here is a listing of the most popular regular expression patterns.
| Rule |
Syntax |
| Exactly one occurence of x |
x |
| At least one occurence of x |
x+ |
| 0 or many occurences of x |
x* |
| 0 or 1 occurence of x |
x? |
| Escape character |
\ |
| Any single character |
. |
| One character in a predefined set |
[list-of-characters] … examples : [ABCD], [012345789] |
| One character in a character range |
[character1-character2] … examples : [0-9], [a-zA-Z] … |
| Any character except those contained in a predefined set |
[^_list-of-characters_] … examples : [^ABCD], [^0-9] |
| Tab |
\t |
| New line |
\n |
| Carriage return |
\r |
| Beginning of the line |
^ |
| End of the line |
$ |
Examples :
| Example |
Syntax |
| All filenames ending with “.html” |
^.*.html$ |
| All filenames containing “client” |
^.client.$ |
Additional help can be found on Areca’s regular expressions wiki