经过实测发现,strip用于去除两端空格,left把左边空格移到右边,right则把右边空格移到左边,trim去除右边空格。 7、其他函数 1)UPCASE, LOWCASE, PROPCASE: 分别用于将字符串转换为全大写、全小写、首字母大写其余小写。 2)LENGTH: 返回字符串的长度。 141 data xaa; 142 ucs = upcase('function'); 143 lcs ...
SUBSTR(right of = )Function Extracts a substring from an argument. 返回X字符串的一个子串 Syntax <variable=>SUBSTR(string, position<,length>) Details In a DATA step, if the SUBSTR (right of =) function returns a value to a variable that has not prev...
DEQUOTE Function Removes matching quotation marks from a character string that begins with a quotation mark, and deletes all characters to the right of the closing quotation mark. FIND Function Searches for a specific substring of characters within a character string. FINDC Function Searches a stri...
DEQUOTE Function Removes matching quotation marks from a character string that begins with a quotation mark, and deletes all characters to the right of the closing quotation mark. FIND Function Searches for a specific substring of characters within a character string. FINDC Function Searches a ...
2017-08-08 15:27 −总结多个字符串常用函数 1.Substr(s,p,n) 【功能】:字符串的替换和字符串的提取 【语法】: 1.(right of =) Function,提取字符:Substr(s,p,n)从字符串s中的第p个字符开始提取n个字符的子串。2 (left of =) Function,字符替换:Sub... ...
KRIGHT Right aligns a character expression by trimming trailing DBCS blanks and SO/SI KSCAN Selects a given word from a character expression KSTRCAT Concatenates two or more character strings KSUBSTR Extracts a substring from an argument KSUBSTRB Extracts a substring from an argument based on ...
宏用来处理重复工作最好，比如你需要跑10个回归，用proc reg...，这10个回归其他都一样，就是因变量...
right-aligns a character expression SCAN(argument,n<,delimiters>) returns a given word from a character expression SOUNDEX(argument) encodes a string to facilitate searching SUBSTR(argument,position<,n>)=characters-to-replace replaces character value contents var=SUBSTR(argument,position<,n>) extracts...
***Other function: SUBSTR (used on the left and right side of the equal sign); DATA CAPITALIZE; INFORMAT FIRST LAST $30.; INPUT FIRST LAST; FIRST = LOWCASE(FIRST); LAST = LOWCASE(LAST); SUBSTR(FIRST,1,1) = UPCASE(SUBSTR(FIRST,1,1)); ...
left 移动到左边,right移动到右边,trim. 去掉尾部空格。strip去掉头尾空格 字符长度用length(str)来计算。 upcase lowcase INTNX(interval,start-from,increment<,alignment>) INTCK(interval,start-date,end-date,<‘method’>) put /input &SYSDAY output和if决定输出。