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// 利用正则表达式验证 -( BOOL )isValidateEmail:( NSString *)email { NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}" ; NSPredicate *emailTest = [ NSPredicate predicateWithFormat : @"SELF MATCHES%@" ,emailRegex]; return [emailTest evaluateWithObject :email]; }
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原文地址:http://www.cnblogs.com/Ganggang888/p/5253532.html