Cum sa testez daca un caracter este o cifra sau o litera ?

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Folositi functii / predicate predefinie cum ar fi:

isDigit -- testeaza daca argumentul e o cifra
isAlpha -- testeaza daca argumentul este din alfabet


Notati si ca exista alte functii asemanatoare, predefinite: isLower, isUpper, isAlphanum, isSpace.


<= Inapoi la pagina principala Ro/Haskell