All non-asian content is tokenized using non-alphanumeric characters. This is the same for EDM or DCM. Asian content for an EDM tokenization is controlled by the indexed content: A sequence of asian characters is considered a token if the same sequence of characters was encountered in a database cell during indexing.
If you have a mix of alphanumeric and non-alphanumeric characters in a cell: eg “AAA BBB” or if you have a mix of asian and non asian characters in the same cell, then the contents of that cell will not be matched in a message.