Hi all, 
 

 Firebird 3, Delphi IBX.
 

 Somehow one of my customers inserted a product code so that at the end of the 
string he added chr(9) and stored this string in the database. If I try to 
 

 select
    cod_produs
from produse 
where 
    cod_produs = 'EI20010518' 
 

 I get an empty query
 

 if I do 
 

 select
    cod_produs
from produse 
where 
    cod_produs starting with 'EI20010518' 
 



 I get the record
 

 if I do 
 



 

 select
    cod_produs,        -> 'EI20010518'
    char_length(trim(cod_produs))     -> 11 (instead of 10)
from produse 
where      cod_produs starting with 'EI20010518' 
 



 




 I get the record
 



 

 

 this query :
 

 select
    cod_produs
from produse 
where 
    cod_produs starting with 'EI20010518' and
    substring(cod_produs from 11 for 1) = ASCII_CHAR(9)

 

 it is true, I get the record. 
 

 

 My question is : Is there a query, a function, for filtering out these errors 
? Someting like : 
 

 update produse
 set cod_produs = AnsiOnly(cod_produs)  
 

 

 ? 
 

 

 Thank you, 
 

 Tiberiu

 

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