The find dialog allows to navigate through subtitles with a given text.
Find
Specifies the text to find.
Case-sensitive
If selected, the case of the text must match.
Use wildcards
If selected, you can use classical pattern wildcards to find text.
Wrap around
If enabled, the search will start from the beginning when the end of the track is reached. And start from the end when the beginning of the track is reached.
Previous / Next
Jumps to the previous/next match.