本文介绍了将字符串截断为前 n 个单词的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
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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