/(\d+)/g
/(\d+\.\d+)rem/g
/(\d+\.\d+|\d+)rem/g
|
全局查找帶 rem 單位的,替換成 px 單位code
let text = text.replace(/(\d+\.\d+|\d+)rem/g, function(s, t) { let a = s.replace('rem', ''); let v = parseFloat(a) * 100; return v + "px"; });