How to remove whitespace in a string?

Question

I have a string say \"Allentown, pa\"

How to remove the white space in between , and pa using objective c?

Answer 1

Probably the solution in one of the answers in Collapse sequences of white space into a single character and trim string:

NSString *whitespaceString = @" String with whitespaces ";

NSString *trimmedString = [whitespaceString stringByReplacingOccurrencesOfString:@" " withString:@""];