正则表达式来最后一个空格字符匹配 [英] Regex to match last space character

问题描述

我需要一些帮助。我要寻找一个正则表达式，将匹配字符串中的最后一个空格字符。我使用JavaScript和传统的ASP。

I need some help. I am looking for a regex that would match the last space character in a string. I am using JavaScript and classic ASP.

我有文本的长字符串，我修剪为100个字符。我想删除的最后一个字符，以避免拼写错误，如果修剪削减，由于100个字符限制词。

I have a long string of text which I trim to 100 characters. I would like to remove the last character to avoid a spelling mistake if the trim cuts a word due to the 100 characters limit.

regex.replace(/[ ]$.*?/ig, '');

任何人只要有想法？谢谢你。

Anybody with ideas? Thanks.

推荐答案

从我的理解，你需要它后删除最后一个空间和一切，对吧？

From my understanding, you need to remove the last space and everything after it, right?

 str = str.replace(/\s+\S*$/, "")

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