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 ...
【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: Substr(s,p,n)=characters-to-replace,从变量s的第p个字符开始替换n个字符 【注意】: ①必须是从字符变量...
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 ...
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。
SUBSTR (left of Replaces character value contents. =) Function SUBSTR (right Extracts a substring from an argument. of =) Function SUBSTRN Function TRANSLATE Function TRANSTRN Function TRANWRD Function TRIM Function Removes trailing blanks from a character string, and returns one blank if the strin...
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...
or start-position of the strings with optional arguments on the startpos of the Value. It helps to start the new search position of each character, and the same will be located in each direction from the right side. Suppose the start position of the string length is greater than the find...
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... ...
Since the backslash, forward slash, parentheses and several other characters have special meaning in a regular expression, you may wonder, how do you search a string for a \ character or a left or right parenthesis? You do this by preceding any of these special characters with a backslash ...