AFAIK, Ruby and Postgres support POSiX
https://ruby-doc.org/core-2.2.0/Regexp.html
https://www.postgresql.org/docs/9.3/static/functions-matching.html
AFAIK, Ruby and Postgres support POSiX
https://ruby-doc.org/core-2.2.0/Regexp.html
https://www.postgresql.org/docs/9.3/static/functions-matching.html