输入串 meaning in Chinese
input string
Examples
- The normalize - space function returns the argument string with white space normalized by stripping leading and trailing whitespace and replacing sequences of whitespace characters by a single space
Normalize - space函数返回一个这样的新串：将输入串的开头和结尾空格符全部去掉，然后把串内的连续空格符替换为单个空格，再返回。