Getting an error while trying to parse a string

[bestprintsf (Leandro Z)]

@AryanGupta

i am using this blocks but i am getting a error.

i want to remove .png and a from acb.png.
and the output must be come cb .
but i am getting a error.

please help me

How to get text from example.png?

please help me to get text from a text. example : abcd.png i want only bc as variable . how can i do ?

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