I believe this has been done with such database engines as SQL Server and PostgreSQL.
However, the Firebird Database Engine has a stricter standard as to what is implemented in the SQL language than other such engines. Nonetheless, it appears that there is some similar capabilities as the following link describes... https://stackoverflow.com/questions/21432507/repetitions-with-regexes-in-firebird https://stackoverflow.com/questions/21432507/repetitions-with-regexes-in-firebird It may be more convenient to pull out data via a Regex expression in SQL code but it is rather redundant since all of the major development languages already support extensive Regex pattern matching capabilities... Steve Naidamast Sr. Software Engineer
