How do I find a substring in a string in SAS?

How do I find a substring in a string in SAS?

SAS String Function FIND( )

1. SAS String Function FIND( )
2. Example: SAS FIND( ) Function. SAS Code: data temp; pos_1 = find (“Sachin Tendulkar”,”kar”); pos_2 = find (“Sachin Tendulkar”,”ten”); pos_3 = find (“Sachin Tendulkar”,”ten”,”i”); pos_4 = find (“Sachin Tendulkar”,”kar”,99); run; proc print data = temp; run;

What is the Find function in SAS?

The FIND function searches string for the first occurrence of the specified substring, and returns the position of that substring. If the substring is not found in string, FIND returns a value of 0.

How do you check if a string contains a character in SAS?

Just use INDEX or FIND or PRXMATCH function to find a specific character in your string.

How do I extract a string in SAS?

In SAS, you can use the SCAN function to extract a word from a string. This function takes the string you want to scan as an argument, as well as a number that represents the position of the word you want to extract.

What is Tranwrd SAS?

The TRANWRD function replaces or removes all occurrences of a given substring (or a pattern of characters) within a character string. The TRANWRD function does not remove trailing blanks in the target-expression string and the replacement-expression string.

How do you find the length of a string in SAS?

A well known function in SAS is the LENGTH function – used to return the length of a character string. The function will return an integer which represents the position of the last (on the right) character in the string. Trailing blanks will be ignored.

What is difference between find and index in SAS?

The FIND function and the INDEX function both search for substrings of characters in a character string. However, the INDEX function does not have the modifier nor the start-position arguments.

How do I extract numbers from a string in SAS?

In SAS, you can use COMPRESS function to accomplish this task. The following SAS program creates sample data which would be used further. Variable “b” contains numeric values and variable “c” contains characters. It returns a character string with specified characters removed from the original string.

What is IFN in SAS?

The IFN function uses conditional logic that enables you to select among several values based on the value of a logical expression. IFN evaluates the first argument, then logical-expression. If logical-expression is true (that is, not zero and not missing), then IFN returns the value in the second argument.

How do I extract a character from a string in SAS?

var2=prxchange(“s/[^0-9]//”,-1,var); This will remove all non-numerical characters. In this statement, ‘s/’ begins a string, [^0-9] means all non-numerical characters. -1 defines an until-end match.

How do I change a substring in SAS?

How to Replace a Character in SAS

1. Start the TRANWRD function.
2. Specify the input variable that contains the character you want to replace.
3. Specify the character that you want to replace.
4. Specify the character that replaces the unwanted character.
5. Close the TRANWRD function.

What is Compbl in SAS?

Details. The COMPBL function removes multiple blanks in a character string by translating each occurrence of two or more consecutive blanks into a single blank. The value that the COMPBL function returns has a default length of 200. You can use the LENGTH statement, before calling COMPBL, to set the length of the value …