pub static MPEG2_REGEX: Lazy<Regex>Expand description
MPEG2 / MPEG-2 / MPEG_2 / MPEG.2 / MPEG 2 detector. Ported
from QualityParser.cs:35. Note: the C# pattern is case-sensitive
(no RegexOptions.IgnoreCase), so we omit the (?i) flag here.