正则表达式也匹配重音字符 [英] regex to also match accented characters

问题描述

我有以下PHP代码：

$search = "foo bar que";
$search_string = str_replace(" ", "|", $search);

$text = "This is my foo text with qué and other accented characters.";
$text = preg_replace("/$search_string/i", "<b>$0</b>", $text);

echo $text;

显然，que不匹配qué。我如何改变呢？有没有办法让 preg_replace 忽略所有重音符？

Obviously, "que" does not match "qué". How can I change that? Is there a way to make preg_replace ignore all accents?

必须匹配的字符（西班牙语） / p>

The characters that have to match (Spanish):

á,Á,é,É,í,Í,ó,Ó,ú,Ú,ñ,Ñ

我不想在应用正则表达式之前替换所有重音字符，因为文本中的字符应该保持不变：

I don't want to replace all accented characters before applying the regex, because the characters in the text should stay the same:

这是我的 foo 文字，带有qué和其他重音字符。

"This is my foo text with qué and other accented characters."

而不是

这是我的 foo 文字重音字符。

"This is my foo text with que and other accented characters."

推荐答案

$search = str_replace(
   ['a','e','i','o','u','ñ'],
   ['[aá]','[eé]','[ií]','[oó]','[uú]','[nñ]'],
   $search)

这个和大写同样会抱怨你的请求。旁注：ñ replacemet听起来对我无效，因为niño与nino不同。

This and the same for upper case will complain your request. A side note: ñ replacemet sounds invalid to me, as 'niño' is totaly diferent from 'nino'

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