Question

I have the string

"Avenida Indianopolis                , 1000"

and I need get “Avenida Indianopolis, 1000”

How can I do this?

Answer 1

You can use a regular expression to replace everything with two or more spaces with one space:

 {2,}

Example:

NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@" {2,}" options:0  error:NULL];

NSMutableString *string = [NSMutableString stringWithString:@"Avenida Indianopolis      , 1000"];
[regex replaceMatchesInString:string options:0 range:NSMakeRange(0, [string length]) withTemplate:@" "];

However, in your example this would result in a space before the comma, so you might actually want to replace the spaces with nothing (or run a second pass over the string and clean up the space + comma, depending on how your input strings are formed)