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man: clarify criteria (incl. PCRE2 usage) #8568

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Mar 23, 2025
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man: clarify criteria (incl. PCRE2 usage) #8568

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16 changes: 13 additions & 3 deletions sway/sway.5.scd
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Original file line number Diff line number Diff line change
@@ -972,7 +972,7 @@ The default colors are:
A criteria is a string in the form of, for example:

```
[class="[Rr]egex.*" title="some title"]
[app_id="some-application" title="[Rr]egex.*"]
```

The string contains one or more (space separated) attribute/value pairs. They
@@ -992,10 +992,19 @@ Focus on a window with the mark "IRC":
[con_mark="IRC"] focus
```

Kill all windows with the title "Emacs":
Kill all windows where the title contains "Emacs":

```
[class="Emacs"] kill
[title="Emacs"] kill
```

Several attributes allow regular expressions. These use Perl-compatible regular
expressions (PCRE2), which are documented in *pcre2pattern*(3) and summarized in
*pcre2syntax*(3). For example, this moves all windows with titles ending in
"sway" or "Sway" to workspace 1:

```
[title="[Ss]way$"] move workspace 1
```

You may like to use swaymsg -t get_tree for finding the values of these
@@ -1094,3 +1103,4 @@ The following attributes may be matched with:
# SEE ALSO

*sway*(1) *sway-input*(5) *sway-output*(5) *sway-bar*(5) *sway-ipc*(7)
*pcre2pattern*(3) *pcre2syntax*(3)