The Length function returns the number of characters in the string. A good use case for it is that it can be used in conjunction with Substring to take the last 4 characters of a phone number. This can also be accomplished using the RegExMatch function. The length function counts all characters including space and symbols.
Length(1) 1 = String value to evaluate the length of characters (can be a variable)
%%[ var @string set @string = “AMPSCRIPT.COM” set @lengthString = Length(@string) ]%% Output: %%=v(@lengthString)=%%
The Length function takes the
AMPSCRIPT.COM string counts all the characters in the string including the
. (period). This function is helpful when used in conjunction with other functions or to determine the maximum length of a field value.