XRegExp替换无法获取匹配字符串

Question

var name = XRegExp('(?<first>\\w+) (?<last>\\w+)','g');
var strNew=XRegExp.replace('John Smith', name, '${last}, ${first}');//->John Smith

为什么strNew是“John Smith”而不是“Smith，John”????

Answer 1

它对我有用...检查您是否正确安装了XRegExp并打印出strNew而不是name