/// <summary>
/// Gets the first match group from the specified match.
/// </summary>
/// <param name="g">The group collection.</param>
/// <param name="predicate">The predicate.</param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException"></exception>
public static Group First(this GroupCollection g, Func <Group, bool> predicate)
{
var result = g.FirstOrDefault(x => predicate(x));
if (result == default(Group))
{
throw new InvalidOperationException(Resources.Sequence_Empty);
}
return(result);
}
/// <summary>
/// Gets the first match group from the specified match.
/// </summary>
/// <param name="g">The group collection.</param>
/// <returns></returns>
public static Group FirstOrDefault(this GroupCollection g)
{
return(g.FirstOrDefault(x => true));
}