aeiou
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<?php
$re = '/((?:ā|á|ǎ|à))|((?:ê|ē|é|ě|è))|((?:ī|í|ǐ|ì))|((?:ō|ó|ǒ|ò))|((?:ū|ú|ǔ|ù))|((?:ǖ|ǘ|ǚ|ǜ|ü))/';
$str = '汉(hàn)语(yǔ)平(píng)阴(yīn)女(nǚ)娥(é) => 汉(han)语(yu)平(ping)阴(yin)女(nü)娥(e)';
$result = preg_replace_callback($re, function($match){
$map = array(
0 => 'a',
1 => 'e',
2 => 'i',
3 => 'o',
4 => 'u',
5 => 'ü',
);
for($i = 0; $i <=5; $i++) {
if(!empty($match[$i])) {
return $map[$i];
}
}
}, $str);
echo $str . "\n";
echo $result;
Php
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