public static CharacterSet Union(CharacterSet c1, CharacterSet c2)
{
CharacterSet newSet = new CharacterSet();
foreach (char c in c1.mAllCharacters.Union(c2.mAllCharacters))
{
newSet.mAllCharacters.Add(c);
}
newSet.ComputeRanges();
return(newSet);
}
public static CharacterSet Subtract(CharacterSet c1, CharacterSet c2)
{
CharacterSet newSet = new CharacterSet();
foreach (char c in c1.mAllCharacters)
{
if (c2.mAllCharacters.Contains(c) == false)
{
newSet.mAllCharacters.Add(c);
}
}
newSet.ComputeRanges();
return(newSet);
}