字符表达式 meaning in English
character expre ion
character expression
Examples
- Returns a character expression in reverse order
按相反顺序返回字符表达式。 - Returns the number of characters in a character expression
返回字符表达式中的字符数。 - Returns a part of a character expression
返回字符表达式的一部分。 - Returns a character expression after removing leading spaces
返回删除了前导空格的字符表达式。 - Returns a character expression after removing trailing spaces
返回删除了尾随空格的字符表达式。