Problem replacing accented characters

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The function preg_replace is not behaving the way I predicted. By executing the code $string = preg_replace("/[ÁÀÂÃÄáàâãä]/", "a", $string); what I get back is a string filled with "a"s. If the string has "Áàâäàâäíììì" the answer from preg_replace is "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaiaiai". Can you explain to me why this happens? And what is the best way to make this replacement?

php accentuation preg-replace

  • Use the flag u in regex (logo deopis of the second bar): preg_replace("/[ÁÀÂÃÄáàâãä]/u", "a", $string)

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You can use the incov to do so:

preg_replace('/[^a-z]/i', '', iconv("UTF-8", "US-ASCII//TRANSLIT", $string))

If I understand your problem correctly, this must be the resolution.

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