将字符串截断为前 n 个单词 [英] Truncate string to the first n words

问题描述

将字符串截断为前 n 个单词的最佳方法是什么?

What's the best way to truncate a string to the first n words?

推荐答案

n = 3
str = "your long    long   input string or whatever"
str.split[0...n].join(' ')
 => "your long long"


str.split[0...n] # note that there are three dots, which excludes n
 => ["your", "long", "long"]

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