此正则表达式的输出是什么？
/\s+(\d+)\s+/
特别是/ \ s
的含义答案 0 :(得分：0)
在您的正则表达式中，\s+顺序匹配任意数量的空格，/d+顺序匹配任意数量的数字。
\s和\d分别匹配一个空格和一个数字，+使其分别匹配任意数量的连续空格和数字。
答案 1 :(得分：0)
您可以在regex101.com上找到完整的说明。
/\s+(\d+)\s+/
\s+ matches any whitespace character (equal to [\r\n\t\f\v ])
+ Quantifier — Matches between one and unlimited times, as many times as possible, giving back as needed (greedy)
1st Capturing Group (\d+)
\d+ matches a digit (equal to [0-9])
+ Quantifier — Matches between one and unlimited times, as many times as possible, giving back as needed (greedy)
\s+ matches any whitespace character (equal to [\r\n\t\f\v ])
+ Quantifier — Matches between one and unlimited times, as many times as possible, giving back as needed (greedy)
答案 2 :(得分：0)
可能有用：D
\ s +（\ d +）\ s + /↵匹配字符 ↵从字面上看（区分大小写） \ s + 匹配任何空白字符（等于[\ r \ n \ t \ f \ v]） +量词-一次至无限次匹配，并尽可能多次匹配，并根据需要返回（贪婪）第一捕获组 （\ d +） \ d +匹配一个数字（等于[0-9]） +量词-匹配一次和无限次，尽可能多地匹配，并根据需要返回（贪婪） \ s +匹配任何空格 字符（等于[\ r \ n \ t \ f \ v]） +量词-匹配一次和无限次，尽可能多地匹配，并根据需要返回