Untitled

let str = ` 
";1627207:945375942;":{"price":"78.00"}, 

";1627207:771237690;":{"price":"88.00"}, 

";1627207:1349519332;":{"price":"58.00"}, 

";1627207:1554775267;":{"price":"68.00"}, 

`;

console.log(str.match(/1627207:(\d+);":{"price":"(\d+.\d+)"/g).map(it => it.match(/1627207:(\d+);":{"price":"(\d+.\d+)"/)))