In his statement, Jackson said: 'I am deeply disappointed about the outcome of the IRFU and Ulster Rugby's internal review.
Protesters were met with supporters of Paddy Jackson and Stuart Olding
Protesters outside Ravenhill this evening.
A protest organised by the Belfast Feminist Network has been held at Friday's Ulster Rugby game.
Mindful of the issues about players' behaviour off the field and some of the opinions expressed in the text messages, the IRFU also said it would launch "an in-depth review of existing structures and educational programmes, within the game in Ireland, to ensure the importance of these core values is clearly understood, supported and practised at every level of the game".
A female Ulster supporter, who asked not to be named, said: "I Think it's a load of nonsense, the guys have been tried for what they were accused of and that's it".
Thousands of people on both sides of the argument have also signed competing online petitions reflecting their views. On the day of the acquittal he said he was sorry for the hurt caused to the complainant.
Meanwhile, Craig Gilroy has been sanctioned over a message sent following the alleged incident in 2016, and will be unavailable to play for Ulster until the 26th of April.
FBI probing Michael Cohen's "personal business dealings"
Mr Cohen is heading to court on Friday in an attempt to prevent the investigators from using material seized in the raids. Federal prosecutors argued the government's "taint team" could make the determination on what items would pass muster.
'The Sandlot' cast reunites after 25 years
Chaucey Leopardi, who portrayed the lovable character Squints, said his own teen daughter 'thinks I'm just kind of a dork'. I can't walk through a Las Vegas casino without someone yelling 'Yeah-Yeah!'" York explained .
British PM calls emergency cabinet meeting over Syria
Trump has since tempered those remarks and the White House said no final decisions on possible actions had been taken. The condemnation by the United Kingdom and France followed earlier worldwide reaction to the attack in Douma.