Java 的 String.split 函数,消除空字符串

代码:

1 String str = "the music made   it   hard      to        concentrate";

2 String delims = "[ ]+";

3 String[] tokens = str.split(delims);

 

结果为:
the, music, made, it, hard, to, concentrate

 

原因:
String.split(String regex):参数是一个正则表达式


转自:http://pages.cs.wisc.edu/~hasti/cs302/examples/Parsing/parseString.html

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