Objective-C: How to find the most common string in an array?

Question

I have an array of strings from an online database that I trying to determine the most commonly used word. The values inside the arrays will vary but I want to check the most co

Answer 1

Try using NSPredicate.

NSUInteger count=0;
NSString *mostCommonStr;
for(NSString *strValue in stringArray) {
   NSUInteger countStr=[[stringArray filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"self MATCHES[CD] %@, strValue]]count];
   if(countStr > count) {
       count=countStr;
       mostCommonStr=strValue;
   }
}
NSLog(@"The most commonstr is %@",mostCommonStr);