【单选题】【消耗次数：1】
可以同时删除字符串前导和尾部空格的函数是( )。
①
Ltrim
②
Rtrim
③
Trim
④
Mid
参考答案：
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相关题目
【单选题】
下列关于常用的字符串函数及用法说法错误的是（ ）
①
Len(string)，返回字符串string的长度
②
Trim(string)，将字符串string前后的空格去掉
③
Split(strl,符号)，根据符号将strl拆分成一维数组
④
Left(str,len)，从右边取len个字符
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