var s="100001,111,12222221,222,3333,12321,14441";
var match1=s.match(/1.*1/g)
var match2=s.match(/1.+1/g)
console.log(match1)
console.log(match2)
Ответ:
[ '100001,111,12222221,222,3333,12321,14441' ]
[ '100001,111,12222221,222,3333,12321,14441' ]
JavaScript test | #JavaScript