TMZ has learned ... Capri Anderson, the woman who ended up locking herself in Charlie Sheen's hotel bathroom, will ask Colorado prosecutors to violate Charlie's probation ... on ground he allegedly held her against her will.
We've also learned Anderson, aka Christina Walsh, has already lawyered up, hiring a high-profile Beverly Hills attorney -- not Gloria Allred.

Our sources say Anderson claims after she locked herself in the bathroom, Charlie tried getting in and began repeatedly punching the door. She alleges she feared for her life.

We're told Anderson wants the Pitkin County D.A. to attempt to violate Charlie's probation in the domestic violence case and she plans to fly to Apsen in the next few days to make her case.

Sources in Pitkin County tell us as far as the D.A. is concerned, any complaint that criminal activity occurred in New York must be filed in New York, not Pitkin County. We're told, however, that if Anderson flies to Aspen, the D.A. has "an open-door policy" and would see her.

As one person on her team told TMZ, beyond the Pitkin case, "We're weighing our legal options."

Law enforcement sources in NYC tell TMZ ... when cops interviewed Anderson at the hotel, she did not say she felt Charlie was holding her against her will.