In Lua, the **`string.len()` function** is used to get the size of a string.

Here is a visual representation of this function:

#   
#  Syntax
```lua
string.len(str)
```
#   
#  Parameters
- The function needs a string as a mandatory parameter.
##  
## Return value
- The function will return the size of the string as an integer.
##  
## Example
In this example, we will return the size of our string.

mystr = "Hello, Educative!"
print(string.len(mystr))


What is string.len in Lua?

string.len() in Lua returns the size of a string as an integer. Example: string.len("example") -> 7.

What is string.len in Lua?

Syntax

Parameters

Return value

Example

Expected output