●FIND_V:指定要查找的字符。 此函数的功能是寻找在一个字符串中第一次出现的某个字符的位置。 实际开发应用中INDEX函数经常和其他函数联合应用,如SUBSTR函数通过INDEX函数取字符串的开始位置。 【例3.4】INDXE函数与SUBSTR函数联合应用,对【例3.3】截取证件类型并赋值给新变量type。 【程序解读】 SUBSTR函数实现截取...
SAS 9.2 On-Line:Informats,Formats,Functions,Functions by Category,Lists ANYALPHA() Returns first position of alphabetic character value. Note that special characters such as '< >' are not considered alphabetic characters and not identified with the ANYALPHA() function. May need to also apply SUB...
trim(string):删除字符串尾部空格 strip(string):删除字符串首尾空格 compress(,<char>,<modifiers>):删除指定字符(若不指定字符,则删除source中所有空格) reference:SAS 字符串常用函数 - Anni爱摩天轮 - 博客园 2. PROC SQL is the SAS implementation of Structured Query Language(SQL). proc sql;select(dist...
the value of the macro variable (a text string) is substituted into SAS code (where the macro variable was in the code), and this substitution of macro variable value into the code MUST produce valid working legal SAS code.
searches a character string for a lowercase letter and returns the first position at which it is found. ANYNAME searches a character string for a character that is valid in a SAS variable name under VALIDVARNAME=V7, and returns the first position at which that character is found. ...
And more there is a function NOTPRINT() also could find a non-printable character. 0 Likes Reply Tom Super User Re: check non ascii characters Posted 03-08-2025 02:42 PM (689 views) | In reply to Ksharp Those are useful but not precise enough it the actual goal is to detect...
A vector-to-string function for SAS IML A previous article discusses the MakeString function, which you can use to convert an IML character vector into a string. This can be very useful. When I originally wrote the MakeString function, I was disappointed that I could not vectorize the com...
Input function: Character values are converted into numeric values. Put function: Numeric values are converted into character values. 48. How to sort in descending order? By using the DESCENDING keyword in the PROC SORT code, we can sort in descending order. ...
is a basically an instruction for how to transform a raw value into an appearance that is suitable for a given purpose. A basic attribute of a format is the format length, which controls how much of the value is displayed. For example, a character column might have a storage length of ...
If you have used repetitive INDEX and SUBSTR functions to determine how many times a “word” occurs in a character string, that task can also be accomplished more easily in Version 9. The COUNT function determines the number of times argument 2 occurs in argument 1. ...