match
body.match(/d.d.d.d:d/g); // 推荐使用exec可以拿到多个数组
exec
var a = [ 'PHPSESSID=sglvjui97o18bg6qsqobj77p86; path=/; HttpOnly' ]; /PHPSESSID=(.*?);/g.exec(a)
var a = [ 'PHPSESSID=sglvjui97o18bg6qsqobj77p86; path=/; HttpOnly' ];/PHPSESSID=(.*?);/g.exec(a)