/************************************************************ * * Hyphenate CONFIDENTIAL * __________________ * Copyright (C) 2016 Hyphenate Inc. All rights reserved. * * NOTICE: All information contained herein is, and remains * the property of Hyphenate Inc. * Dissemination of this information or reproduction of this material * is strictly forbidden unless prior written permission is obtained * from Hyphenate Inc. */ #import "NSString+Valid.h" @implementation NSString (Valid) - (BOOL)isChinese { NSString *match = @"(^[\u4e00-\u9fa5]+$)"; NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF matches %@", match]; return [predicate evaluateWithObject:self]; } @end