len function does not count special characters

Certified Lead Developer

Hello there,

We are validating a text entered by the user to be under 4000 characters to avoid Oracle errors.
We are using the function "len" to do that.

However, the function is not taking into account special characters (but Oracle does). Is there a way to count the real length of a string including special characters such as return line?

For example
0123456789
0123456789

are 21 characters including one return line in Oracle.

Many thanks!

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