vim.filetype.detect.PatternOpts
Fields4
PatternOpts.vim_regex : true | nil
use Vim regexes instead of Lua patterns.
PatternOpts.start_lnum : nil | integer
Start line number for matching, defaults to 1.
PatternOpts.end_lnum : nil | integer
End line number for matching, defaults to -1 (last line).
PatternOpts.ignore_case : true | nil
ignore case when matching.