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LENGTH Function. Returns the length of a non-blank character string, excluding trailing blanks, and returns 1 for a blank character string. The LENGTH function returns a length in bytes, while the KLENGTH function returns a length in a character based unit. Syntax.
If you want to find out how long a string is, you use the len() function, which simply takes a string and counts the number of characters in it. (len stands for length.) Just put the string that you want to find the length of, inside the parentheses of the function. For example: