1. A computer-implemented method comprising: identifying a policy for protecting source data having a tabular format, the source data containing one or more data fragments in a character-based language, wherein the character-based language does not provide visual delimiters between words in the one or more data fragments; receiving information content having at least a first portion in the character-based language; and determining whether any part of the information content, including the first portion in the character-based language, violates the policy.