United Kingdom, May 18 -- Sarah Silverman regrets using racial slurs in her old comedy routines.

The 54-year-old comedian admits that she made a mistake using racial slurs and blackface on 'The Sarah Silverman Program', her TV sitcom that ran from 2007 until 2010.

Sarah told Rolling Stone magazine: "I felt like the temperature of the world around me at the time was 'We are all liberal so we can say the n-word. We aren't racist, so we can say this derogatory stuff.'

"I was playing a character that was arrogant and ignorant, so I thought it was OK. Looking back, my intentions were always good, but they were f****** ignorant."

Sarah actually received criticism for apologising for her controversial comedy sketches. But the actress thinks ...