IOS determines whether a string has a space instance

The following is a self-encapsulated method that can be returned based on the bool Value judgment

The sample code

-(BOOL)isEmpty:(NSString *) str {
  NSRange range = [str rangeOfString:@" "];
  if (range.location != NSNotFound) {
    return YES; //yes Represents contains Spaces 
  }else {
    return NO; // And vice 
  }
}

summary

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