[xmonad] Re: Use regexps for className matching?

[mail at justinbogner.com]

Henri Ducrocq <henri.ducrocq at gmail.com>
writes:
| For example
|   className =? "Google Mail"  --> doShift "1"
|   className =? "Google Calendar"  --> doShift "1"
| would become
|   className <some regexp matching operator> "Google .*" doShift "1"
|
| How to do this in Haskell? I couldn't find any examples of this in the config
| archive..

You can use one of the haskell regex libraries and define an operator
for the managehook like so:

> import Text.Regex.Posix ((=~))
>
> q ~? x = fmap (=~ x) q

and then your example is simply

> className ~? "Google .*" --> doShift "1"