SCAN and SCANQ split strings into words. Both functions are similar. However, the SCANQ function has some additional features, and there is a difference in the default delimiter used in these two functions.
The INDEX function is used to search for a specified string of characters. If any match is found, INDEX function returns 0 or the position of the first occurrence of the string’s first character.
SAS Length Function: LENGTH is a character function in SAS used to find the length of the character string. There are 4 variations available in SAS to find the length of a string. These are the LENGTH, LENGTHN, LENGTHC and LENGTHM. The primary objective of all the length function is to return the length of the string however there are few variations in how these functions work and return the length.
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