Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
rue [ruː] vt (action, decision) жале́ть (пожале́ть perf) о +prp ; (day, hour etc) проклина́ть (прокля́сть*perf)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.