Thanks a lot ! I found what I was looking for ! :

txt = pytesseract.image_to_string(image, config="-c 
tessedit_char_whitelist=0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-")


Le vendredi 6 mars 2020 15:03:04 UTC+1, shree a écrit :
>
> Search for whitelist / blacklist in forum for ways to restrict the 
> characters.
>
> On Fri, Mar 6, 2020, 18:19 Guillaume de Rybel <[email protected] 
> <javascript:>> wrote:
>
>> Hi, my work is to recognize license plates, and sometimes, tesseract 
>> recognize some special characters. I need to 'ban' those characters : '/' , 
>> '|' , ',' .
>> May I have some help ?
>>
>> Sorry if my english is bad,
>>  Thank you,
>>
>> Guillaume
>>
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>>
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