验证字符串是否包含符号

- (BOOL)hasPunctuation:(NSString *)text

{

    NSCharacterSet *set = [NSCharacterSetcharacterSetWithCharactersInString:@"@／：；（）¥「」＂、[]{}#%-*+=_\\|~＜＞$€^•'@#$%^&*()_+'\".,?!/:; "];

   NSString *trimmedString = [text stringByTrimmingCharactersInSet:set];

   if ([text isEqualToString:trimmedString]) {

       return NO;

    }

    return YES;

}