怎么读取value里面的数字
<option value="{"areaName":"马其顿","checkKey":"^(00){0,1}(389){1}\\d{6,15}$","countryCode":"MK","phoneCode":"389"}">'+'+389 马其顿'+'</option>'+'<option value="{"areaName":"缅甸","checkKey":"^(00){0,1}(95){1}\\d{6,15}$","countryCode":"MM","phoneCode":"95"}">'+'+95 缅甸'+'</option>'+'<option value="{"areaName":"巴基斯坦","checkKey":"^(00){0,1}(92){1}\\d{6,15}$","countryCode":"PK","phoneCode":"92"}">'+'+92 巴基斯坦'+'</option>
