iPhone restrict user from entering space in textfield

Question

i want to restrict user from entering space in a UITextField. for this i m using this code

- (BOOL)textField:(UITextField *)textField shouldChangeCharacters         


        

Answer 1

string == @" "

Isn't that just going to compare the adress of each of string and @" "? Thats not the comparison you want to do.

Also do you want to prevent them from entering a string that is just a space? If so then you need to change that == into a proper string comparison and you are good to go. If not and you want to prevent all spaces in an input string then you need a string matcher