How to specify Ruby regex when using Active Record in Rails?

Question

To get all jobs which invoice_number is a pure number I do:

Job.where(\"invoice_number REGEXP \'^[[:digit:]]+$\'\")

Is it poss

Answer 1

Your best bet is either Regexp#tos or Regexp#source or Regexp#inspect.

But I can't think of why you would want to do this -- Ruby doesn't make it easy to compose Regexps programmatically (which is the only reason I can think of why one might want to compose at one level and submit it to another).