SAS函数大全（一）

Character 字符函数
函数名称 功能
ANYALNUM Function Searches a character string for an alphanumeric character, and returns the first position at which the character is found.
ANYALPHA Function Searches a character string for an alphabetic character, and returns the first position at which the character is found.
ANYCNTRL Function Searches a character string for a control character, and returns the first position at which that character is found.
ANYDIGIT Function Searches a character string for a digit, and returns the first position at which the digit is found.
ANYFIRST Function Searches a character string for a character that is valid as the first character in a SAS variable name under VALIDVARNAME=V7, and returns the first position at which that character is found.
ANYGRAPH Function Searches a character string for a graphical character, and returns the first position at which that character is found.
ANYLOWER Function Searches a character string for a lowercase letter, and returns the first position at which the letter is found.
ANYNAME Function 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.
ANYPRINT Function Searches a character string for a printable character, and returns the first position at which that character is found.
ANYPUNCT Function Searches a character string for a punctuation character, and returns the first position at which that character is found.
ANYSPACE Function Searches a character string for a white-space character (blank, horizontal and vertical tab, carriage return, line feed, and form feed), and returns the first position at which that character is found.
ANYUPPER Function Searches a character string for an uppercase letter, and returns the first position at which the letter is found.
ANYXDIGIT Function Searches a character string for a hexadecimal character that represents a digit, and returns the first position at which that character is found.
BYTE Function Returns one character in the ASCII or the EBCDIC collating sequence.
CALL CATS Routine Removes leading and trailing blanks, and returns a concatenated character string.
CALL CATT Routine Removes trailing blanks, and returns a concatenated character string.
CALL CATX Routine Removes leading and trailing blanks, inserts delimiters, and returns a concatenated character string.
CALL COMPCOST Routine Sets the costs of operations for later use by the COMPGED function
CALL MISSING Routine Assigns missing values to the specified character or numeric variables.
CALL SCAN Routine Returns the position and length of the nth word from a character string.
CAT Function Does not remove leading or trailing blanks, and returns a concatenated character string.
CATQ Function Concatenates character or numeric values by using a delimiter to separate items and by adding quotation marks to strings that contain the delimiter.
CATS Function Removes leading and trailing blanks, and returns a concatenated character string.
CATT Function Removes trailing blanks, and returns a concatenated character string.
CATX Function Removes leading and trailing blanks, inserts delimiters, and returns a character string.
CHAR Function Returns a single character from a specified position in a character string.
CHOOSEC Function Returns a character value th