string.strip([option[,char]]) Removes leading("L"), trailing("T"), or both("B" – default) occurrences of char (default spaces) " 12345 ".strip returns "12345"

strip([option[,char]])删除字符（默认为空格）在头部（"L"）、尾部（"T"）或头尾部（"B" —— 默认值）的出现 " 12345 ".strip返回 "12345"

youdao

string.strip([option[,char]]) Removes leading("L"), trailing("T"), or both("B" – default) occurrences of char (default spaces) " 12345 ".strip returns "12345"

strip([option[,char]])删除字符（默认为空格）在头部（"L"）、尾部（"T"）或头尾部（"B" —— 默认值）的出现 " 12345 ".strip返回 "12345"

youdao