iOS开发 判断字符串是不是网址时间:2023-03-09 18:01:44 - (BOOL)isUrlString { NSString *emailRegex = @"[a-zA-z]+://.*"; NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex]; return [emailTest evaluateWithObject:self]; }