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 ...
The INDEX function searches source, from left to right, for the first occurrence of the string specified in excerpt, and returns the position in source of the string's first character. If the string is not found in source, INDEX returns a value of 0....
【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...
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。 infile 和input用于从文件读取数据。file和...
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 ...
那么将回归程序写成一个宏，每次用的时候换参数就可以了。 总之，宏可以降低重复性工作的任务量，使程序...
RIGHT Right aligns a character expression SCAN Selects a given word from a character expression SOUNDEX Encodes a string to facilitate searching SPEDIS Determines the likelihood of two words matching, expressed as the asymmetric spelling distance between the two words SUBSTR (left of =) Replaces ...
SUBPAD Function Returns a substring that has a length you specify, using blank padding if necessary. 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 ...
Program 1.4: Program to capitalize the first letter of the first and last name (using SUBSTR) ***Primary functions: LOWCASE, UPCASE ***Other function: SUBSTR (used on the left and right side of the equal sign); DATA CAPITALIZE;
basic applications of the SUBSTR function: RIGHT SIDE APPLICATION data _null_ ; phone = (312) 555-1212 ; area_cd = substr(phone, 2, 3) ; put area_cd = ; run; Result : In the log window, it writes area_cd = 312 . LEFT SIDE APPLICATION It is used to ...