[Lazarus] String with °

[Kamen Kamen]

Hello, 
I have string with ° and I want to delete all symbols to °. When I delete symbol ° returns #176. How can I delete this symbol? 
Exampe: s := '49°45 ';
 
After: delete (s, 1, 2); --> '°45 ' 
After: delete (s, 1, 1); or delete (s, pos ('°', s), 1); -->

#176'45 '
 
I want to reseive only '45 '. 
Regards,
Kamen
 

 

 
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