iOS 正则表达式
来源:互联网 发布:炒黄金数据软件 编辑:程序博客网 时间:2024/06/16 15:16
- //邮箱+ (BOOL) validateEmail:(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];}//手机号码验证+ (BOOL) validateMobile:(NSString *)mobile{//手机号以13, 15,18开头,八个 \d 数字字符NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];return [phoneTest evaluateWithObject:mobile];}//车牌号验证+ (BOOL) validateCarNo:(NSString *)carNo{NSString *carRegex = @"^[\u4e00-\u9fa5]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4}[a-zA-Z_0-9_\u4e00-\u9fa5]$";NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex];NSLog(@"carTest is %@",carTest);return [carTest evaluateWithObject:carNo];}//车型+ (BOOL) validateCarType:(NSString *)CarType{NSString *CarTypeRegex = @"^[\u4E00-\u9FFF]+$";NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",CarTypeRegex];return [carTest evaluateWithObject:CarType];}//用户名+ (BOOL) validateUserName:(NSString *)name{NSString *userNameRegex = @"^[A-Za-z0-9]{6,20}+$";NSPredicate *userNamePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",userNameRegex];BOOL B = [userNamePredicate evaluateWithObject:name];return B;}//密码+ (BOOL) validatePassword:(NSString *)passWord{NSString *passWordRegex = @"^[a-zA-Z0-9]{6,20}+$";NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",passWordRegex];return [passWordPredicate evaluateWithObject:passWord];}//昵称+ (BOOL) validateNickname:(NSString *)nickname{NSString *nicknameRegex = @"^[\u4e00-\u9fa5]{4,8}$";NSPredicate *passWordPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",nicknameRegex];return [passWordPredicate evaluateWithObject:nickname];}//身份证号+ (BOOL) validateIdentityCard: (NSString *)identityCard{BOOL flag;if (identityCard.length <= 0) {flag = NO;return flag;}NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$";NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];return [identityCardPredicate evaluateWithObject:identityCard];}
NSString *str = [NSStringnew];
NSString *str2 = [NSStringnew];
str = @"一个问题,我的网站:七缘交友网,网址:http://www.7yuan.com/,我现在每天坚持发表原创文章,一开始,我文章里没有带关键词链接,收录的很好,几乎每天百度蜘蛛都会来,有时候一天来好几次,收录的快的话,我这边发表这边就收录了";\
//查找字符串str中 http字段
NSRange range = [strrangeOfString:@"\\bhttps?://[a-zA-Z0-9\\-.]+(?::(\\d+))?(?:(?:/[a-zA-Z0-9\\-._?,'+\\&%$=~*!():@\\\\]*)+)?"options:NSRegularExpressionSearch];
if (range.location !=NSNotFound) {
str2 = [str substringWithRange:range];
}
NSLog (@"str2 ===== %@", str2);
str2 ===== http://www.7yuan.com/;
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