/// <summary>
/// Searches for a pattern in each metadata tag and returns the result as a list.
/// </summary>
/// <param name="searchPattern">The regular expression to use for the search.</param>
/// <param name="flags">A bitfield that controls which fields should be searched in.</param>
/// <returns>A list containing all found metadata tags.</returns>
/// <exception cref="ArgumentNullException">
/// <typeparamref name="searchPattern"/> is null.</exception>
/// <exception cref="ArgumentException">
/// <typeparamref name="searchPattern"/> is empty.</exception>
public List <MetadataTag> RegexSearch(string searchPattern, MD_SEARCH_FLAGS flags)
{
if (searchPattern == null)
{
throw new ArgumentNullException("searchString");
}
if (searchPattern.Length == 0)
{
throw new ArgumentException("searchString is empty");
}
List <MetadataTag> result = new List <MetadataTag>(Count);
Regex regex = new Regex(searchPattern);
List <MetadataTag> list = List;
foreach (MetadataTag tag in list)
{
if (((flags & MD_SEARCH_FLAGS.KEY) > 0) && regex.Match(tag.Key).Success)
{
result.Add(tag);
continue;
}
if (((flags & MD_SEARCH_FLAGS.DESCRIPTION) > 0) && regex.Match(tag.Description).Success)
{
result.Add(tag);
continue;
}
if (((flags & MD_SEARCH_FLAGS.TOSTRING) > 0) && regex.Match(tag.ToString()).Success)
{
result.Add(tag);
continue;
}
}
result.Capacity = result.Count;
return(result);
}
/// <summary>
/// Searches for a pattern in each metadata tag and returns the result as a list.
/// </summary>
/// <param name="searchPattern">The regular expression to use for the search.</param>
/// <param name="flags">A bitfield that controls which fields should be searched in.</param>
/// <returns>A list containing all found metadata tags.</returns>
/// <exception cref="ArgumentNullException">
/// <typeparamref name="searchPattern"/> is null.</exception>
/// <exception cref="ArgumentException">
/// <typeparamref name="searchPattern"/> is empty.</exception>
public List<MetadataTag> RegexSearch(string searchPattern, MD_SEARCH_FLAGS flags)
{
if (searchPattern == null)
{
throw new ArgumentNullException("searchString");
}
if (searchPattern.Length == 0)
{
throw new ArgumentException("searchString is empty");
}
List<MetadataTag> result = new List<MetadataTag>(Count);
Regex regex = new Regex(searchPattern);
List<MetadataTag> list = List;
foreach (MetadataTag tag in list)
{
if (((flags & MD_SEARCH_FLAGS.KEY) > 0) && regex.Match(tag.Key).Success)
{
result.Add(tag);
continue;
}
if (((flags & MD_SEARCH_FLAGS.DESCRIPTION) > 0) && regex.Match(tag.Description).Success)
{
result.Add(tag);
continue;
}
if (((flags & MD_SEARCH_FLAGS.TOSTRING) > 0) && regex.Match(tag.ToString()).Success)
{
result.Add(tag);
continue;
}
}
result.Capacity = result.Count;
return result;
}
