var re = /^[0-9a-zA-Z\<][0-9a-zA-Z\s._>]+\@[0-9a-zA-Z]+.(com|org)$/;
第二题只好用 var re = /^\<([0-9a-zA-Z.\s_]+)[\s>]+([0-9a-zA-Z._]+\@[0-9a-zA-Z]+.[0-9a-zA-Z]+)$/;
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woodchuck_lh
var re = /^[0-9a-zA-Z\<][0-9a-zA-Z\s._>]+\@[0-9a-zA-Z]+.(com|org)$/;
第二题只好用 var re = /^\<([0-9a-zA-Z.\s_]+)[\s>]+([0-9a-zA-Z._]+\@[0-9a-zA-Z]+.[0-9a-zA-Z]+)$/;