Regexp

regexp.js

const first = arrayOfData.filter(item=>item.match(/r1/g))
                   .map(item => { 
                       result = item.match(/r1/g);
                       return {
                          name:result[0],
                          surename:result[1]
                       };
                       });
                       
const second = arrayOfData.filter(item=>item.match(/r2/g))
                   .map(item => { 
                       result = item.match(/r2/g);
                       return {
                          name:result[0],
                          thirdname:result[1],
                          surename:result[2]
                       };
                       });
                                              
const users = [].concat(first, second);