extract the substring from NSString

Extract the substring from/to certain position:

[myString substringToIndex:index];
[myString substringFromIndex:index];

Extract the substring from beginning to the particular position:

NSRange end = [longString rangeOfString:@";"];

NSString *shortString =[longString substringWithRange:NSMakeRange(0, end.location)]];

NSLog("%@", shortString);

Extract a string between two characters:

NSRange start = [longString rangeOfString:@"("];

NSRange end = [longString rangeOfString:@")"];

NSString *shortString = [longString substringWithRange:NSMakeRange(start.location, end.location)]];

NSLog("%@", shortString);