I highly doubt that. Canon indicates the opposite actually.

Whereas Sirius had sought to advertise his difference from the rest of the family, Regulus had striven to emphasise the opposite. The Slytherin colours of emerald and silver were everywhere, draping the bed, the walls and the windows. The Black family crest was painstakingly painted over the bed, along with its motto, Toujours Pur. Beneath this was a collection of yellow newspaper cuttings, all stuck together to make a ragged collage. Hermione crossed the room to examine them.

‘They’re all about Voldemort,’ she said. ‘Regulus seems to have been a fan for a few years before he joined the Death Eaters ...’