摘要: //6到15位数字或字母的字符串NSString * regex = @"(^[A-Za-z0-9]{6,15}$)"; NSPredicate * pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", reg... 阅读全文
posted @ 2014-10-14 19:06 Kamto 阅读(149) 评论(0) 推荐(0)