private static ParseResult Match_LangTagPart(InputStream input)
{
var isAlpha = ParseBuilder.Match(ch => "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".Contains(ch));
var optAlpha = ParseBuilder.ZeroOrOne(isAlpha);
return(ParseBuilder.Sequence(isAlpha, optAlpha, optAlpha, optAlpha, optAlpha, optAlpha, optAlpha, optAlpha,
optAlpha, optAlpha, optAlpha, optAlpha, optAlpha, optAlpha, optAlpha, optAlpha)(input));
}
private static ParseResult Match_Spacing(InputStream input)
{
return(ParseBuilder.ZeroOrOne(Match_Space)(input));
}
private static ParseResult Match_LanguageTag(InputStream input)
{
return(ParseBuilder.Sequence(Match_LangTagPart, ParseBuilder.ZeroOrOne(ParseBuilder.Sequence(ParseBuilder.Match('-'), Match_LangTagPart)), Match_Spacing)(input));
}
