How do I stop a plugin from running on tag pages?

[SteamyLightning]

I'm making a modification that calls to hooks to threadbit_display. The only problem though, is that threadbit_display is also shown on the Tags Search, and I'm wondering if there's a way for me to exclude the tags search page from the plugin.

For example, if I wanted to exclude the plugin from working on showthread, I would use the following:

THIS_SCRIPT != 'showthread'

I'm wondering what's the equivalent script title for the tag_search template.