| Türk | İngilizce |
|---|---|
| UZUNLUK, UZUNLUKB | LEN, LENBs |
Overview of LEN and LENB Functions
In Microsoft Excel and Google Sheets, the LEN function calculates the number of characters in a provided text string. This function counts every character including letters, numbers, special characters, and spaces. The LENB function is designed for languages that use double-byte character sets (DBCS), counting each double-byte character as two.
Syntax
The syntax for the LEN and LENB functions is as follows:
=LEN(text) =LENB(text)
Here, text is the string whose characters will be counted.
Function Examples
=LEN("Hello")returns 5 because the word “Hello” consists of 5 characters.=LEN(" example ")returns 9 as it includes a space at both the beginning and the end, making a total of 9 characters.- Depending on language support,
=LENB("日本語")may return 6 or 9 since each Japanese character typically uses two bytes.
Practical Applications
Below are two scenarios illustrating practical uses of the LEN and LENB functions:
1. Username Validation
The LEN function can be used to verify whether a username entered in a form has an appropriate length. For instance, consider a scenario where the username must be at least 6 characters and no more than 12 characters long.
Username = "User123" Length = LEN(Username) If (Length >= 6 AND Length <= 12) Then Result = "Username is valid." Else Result = "Username is invalid."
2. Special Text Boxes
In a document, if text entered by a user needs to fit perfectly in a specific box, the LEN function can be used to check the length of the text and adjust it accordingly. For example, if a box can only accommodate up to 20 characters and the entered text exceeds this limit, a warning can be issued or the text can be automatically truncated.
Text = "This example text might be too long" Length = LEN(Text) If (Length > 20) Then Text = LEFT(Text, 20) & "..." Result = Text
As shown in the examples above, the LEN and LENB functions are highly useful for measuring the number of characters in texts. They can be effectively utilized for both data validation and text editing tasks.