Question

我的问题是如果加载了我的UIWebView，我该如何获得电子邮件地址......

首先我创建了一个关于View的字符串，我可以在我的字符串中找到@：

NSString *myText = [mWebView stringByEvaluatingJavaScriptFromString:@"document.documentElement.textContent"];
if ([myText rangeOfString:@"@"].location == NSNotFound) {
    NSLog(@"Couldn't find mail address!");

}

else {
    NSLog(@"There is a valid mail address!");
}

但我不知道如何将此内容（ @ ）转换为var。

Answer 1

试试这个。

NSString *myText = [www stringByEvaluatingJavaScriptFromString:@"document.body.innerHTML;"];
NSString *expression = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
NSError *error = NULL;

NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:expression options:NSRegularExpressionCaseInsensitive error:&error];

NSTextCheckingResult *match = [regex firstMatchInString:myText options:0 range:NSMakeRange(0, [myText length])];

if (match){
    NSString *email = [myText substringWithRange:match.range];
    NSLog(@"There is a valid mail address: %@", email);
}else{
    NSLog(@"Couldn't find mail address!");
}

如何从webview获取电子邮件地址？

1 个答案: