CSV::Parser#skip_line?

# File tmp/rubies/ruby-3.3.0/lib/csv/parser.rb, line 909
def skip_line?(line)
  line = line.delete_suffix(@row_separator)
  case @skip_lines
  when String
    line.include?(@skip_lines)
  when Regexp
    @skip_lines.match?(line)
  else
    @skip_lines.match(line)
  end
end