如何从文本中删除变音符号? [英] How to remove diacritics from text?

问题描述

我正在建立一个瑞典语网站，瑞典语字母是å，ä和ö.

I am making a swedish website, and swedish letters are å, ä, and ö.

我需要输入用户输入的字符串以使用PHP进行网址安全.

I need to make a string entered by a user to become url-safe with PHP.

基本上，需要将所有字符都转换为下划线，除以下字符外:

Basically, need to convert all characters to underscore, all EXCEPT these:

 A-Z, a-z, 1-9

所有瑞典语都应这样转换:

and all swedish should be converted like this:

å"表示"a"，ä"表示"a"，ö"表示"o"(只需删除上面的点).

'å' to 'a' and 'ä' to 'a' and 'ö' to 'o' (just remove the dots above).

其余的应该像我所说的那样成为下划线.

The rest should become underscores as I said.

我不太擅长使用正则表达式，所以我非常感谢帮助人员！

Im not good at regular expressions so I would appreciate the help guys!

谢谢

注意:不是URLENCODE ...我需要将其存储在数据库中...等等，urlencode对我不起作用.

NOTE: NOT URLENCODE...I need to store it in a database... etc etc, urlencode wont work for me.

推荐答案

// normalize data (remove accent marks) using PHP's *intl* extension
$data = normalizer_normalize($data);

// replace everything NOT in the sets you specified with an underscore
$data = preg_replace("#[^A-Za-z1-9]#","_", $data);

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