摘要: 描述Validate if a given string is numeric.Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => trueNote: It is intended for the 阅读全文
posted @ 2018-06-17 17:57 昵称真难想 阅读(91) 评论(0) 推荐(0) 编辑