摘要: Validate if a given string is numeric. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => true Note: It is intended for the 阅读全文
posted @ 2016-10-17 14:06 微微程序媛 阅读(203) 评论(0) 推荐(0)