目录一、String.matches()方法简介1.1 概述1.2 语法、参数、返回值二、String.matches()配合正则表达式使用2.1 普通字符匹配2.1.1 [abc]2.1.2 [^abc]2.1.3 [A-Z]2.1.4 [0-9]2.1.5 .2.2 单个符号匹配2.2.1 中括号[ ]2
I am working with a large list of points (each point has three dimensions x,y,z). I am pretty new with R, so I would like to know what is the best way to represent that kind of information.As far as
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