【iOS 知识汇】判断一串字符串是否都是汉字
/// 判断一串字符串是否都是汉字
- (BOOL)isAllCheniseWithString:(NSString *)string{
NSString *regex =@"(^[\u4e00-\u9fa5]+$)";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex];
return [pred evaluateWithObject:string];
}