Use token sets to identify specific tokens as part of token labeling operations. For example, you can use a token set to label all email addresses that use that use an "AccountName@DomainName" format. After labeling the tokens, you can use the Parser transformation to write email addresses to output ports that you specify.

The Developer tool includes system-defined token sets that you can use to identify a wide range of patterns. Examples of system-defined token sets include: