public static DoubleExtractor GetInstance(string placeholder = NumbersDefinitions.PlaceHolderDefault)
{
if (!Instances.ContainsKey(placeholder))
{
var instance = new DoubleExtractor(placeholder);
Instances.TryAdd(placeholder, instance);
}
return(Instances[placeholder]);
}
private CardinalExtractor(string placeholder = NumbersDefinitions.PlaceHolderDefault)
{
var builder = ImmutableDictionary.CreateBuilder <Regex, string>();
//Add Integer Regexes
var intExtract = IntegerExtractor.GetInstance(placeholder);
builder.AddRange(intExtract.Regexes);
//Add Double Regexes
var douExtract = DoubleExtractor.GetInstance(placeholder);
builder.AddRange(douExtract.Regexes);
Regexes = builder.ToImmutable();
}