string.wordindex(n), string.wordlength(n) Gets the index or length of the nth word "Now is the time".wordindex(2)

wordindex(n), string.wordlength(n)得到第 n 个单词的索引或长度 "Nowisthetime".wordindex(2) 返回 5

youdao

Starting from the first character he or she counts out N-1 characters (Spaces, punctuation marks etc. are considered to be characters too) and deletes the Nth character.

他从第一个字符起数n - 1个字符(空格，标点及其他标志也是字符)而且删除第n个的字符。

youdao

Starting from the first character he or she counts out N-1 characters (Spaces, punctuation marks etc. are considered to be characters too) and deletes the Nth character.

他从第一个字符起数n - 1个字符(空格，标点及其他标志也是字符)而且删除第n个的字符。

youdao