# tmux.PaneFilter.TitleRegex

- **Module:** tmux.PaneFilter
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-go/blob/5f808882015a975a65acc7f9da5b3ff0d5cbdc91/tmux/filter_generated.go#L149
- **Page:** https://libtmux.org/reference/go/tmux-panefilter-titleregex/

TitleRegex requires the materialized title from Pane.Title to match Go regular expression syntax. An empty string leaves TitleRegex unset.