====== Len(text) ====== Category: Text function \\ =====Description===== This function returns the number of characters (length) in the //text// value. \\ =====Use cases==== This function can be used to determine if there are unexpected non-printing characters in a text string. \\ =====Arguments===== ^Argument^Type^Description^ |text|Text|The text string evaluated to determine the number of characters it contains.| **Return value type:** Number \\ =====Remarks===== The number of characters returned //includes// unseen, non-printing characters (space, line feed, tab, etc.) //text// is implicitly converted to text values if required \\ =====Examples===== len('Telecommunications') //Returns 18 len('Computer sciences') //Returns 17 (Includes the space) len(' Genetics ') //Returns 10 (Includes leading and trailing spaces) len('Psychology' & char(9)) (Returns 11 //char(9) = tab, included in the length) len(1000000) //Returns 7 (Implicit conversion of a numeric value to text) len('') //Returns 0 (An empty string has a length of 0) len([MyClass]) //Returns 12 (Using a field name; [MyClass] = 'Astrophysics') \\ ===== See also ===== * [[syntax:functions:ifempty|IfEmpty(value, new_value)]] * [[syntax:functions:isempty|IsEmpty(value)]]