mb_ereg_match
You can use \\n for capture group in replacement.
And you can NOT use $n notation (unlike preg_replace function).
mb_ereg_replace
(PHP 4 >= 4.2.0, PHP 5)
mb_ereg_replace — Replace regular expression with multibyte support
Beschreibung
string mb_ereg_replace
( string $pattern
, string $replacement
, string $string
[, string $option = "msr"
] )
Scans string for matches to pattern, then replaces the matched text with replacement
Parameter-Liste
- pattern
-
The regular expression pattern.
Multibyte characters may be used in pattern.
- replacement
-
The replacement text.
- string
-
The string being checked.
- option
- Matching condition can be set by option parameter. If i is specified for this parameter, the case will be ignored. If x is specified, white space will be ignored. If m is specified, match will be executed in multiline mode and line break will be included in '.'. If p is specified, match will be executed in POSIX mode, line break will be considered as normal character. If e is specified, replacement string will be evaluated as PHP expression.
Rückgabewerte
The resultant string on success, or FALSE on error.
Anmerkungen
Hinweis:
Das interne Encoding oder das mit mb_regex_encoding() festgelegte Zeichenencoding wird als Zeichenencoding für diese Funktion genutzt.
Warnung
Nutzen sie niemals den e Modifikator, wenn sie mit ungesicherten Eingaben arbeiten. Es gibt keine automatische Maskierung wie man sie von preg_replace() kennt). Nichtbeachtung dessen, wird aller Wahrscheinlichkeit nach "remote code execution" Schwachstellen in ihrer Anwendung erzeugen.
Siehe auch
- mb_regex_encoding() - Returns current encoding for multibyte regex as string
- mb_eregi_replace() - Replace regular expression with multibyte support ignoring case
add a note
User Contributed Notes
mb_ereg_replace
trng
15-Jun-2011 09:22
Pluche
30-Dec-2010 04:17
Unlike preg_replace, mb_ereg_replace doesn't use separators
Exemple with preg_replace :
<?php $data = preg_replace("/[^A-Za-z0-9\.\-]/","",$data); ?>
Exemple with mb_ereg_replace :
<?php $data = mb_ereg_replace("[^A-Za-z0-9\.\-]","",$data); ?>
daemoneye at gmail dot com
03-Feb-2009 02:53
I got a pretty nasty error while trying to parse table rows(all contents were set to UTF-8) from the database for a dictionary project. The idea was to get all the rows from the first table (that is a table with bulgarian phrase in the first field, and its translation in english, french and german in the next fields). I needed to index all the bulgarian words that are found in the table to make an intelligent search. And that is where my headache started.
First of all, even with mb_strtolower() a lot of cyrillic characters went corrupted (ex: 'т,ъ,у,ф,б,г,з,ж,' etc...). After an hour of different attempts I got such a solution:
<?php
mb_internal_encoding("UTF-8");
mb_regex_encoding("UTF-8");
$rows = $db->getRows();
$contents = array();
foreach ($rows as $eachRow)
{
$cleared = str_replace($commonWords, ' ', mb_strtolower(stripslashes($eachRow['bulgarian']), 'UTF-8' ));
if (trim($cleared) != '') $contents[] = trim($cleared);
}
$list = array();
foreach ($contents as $eachRow)
{
$exploded = explode(' ', $eachRow);
foreach ($exploded as $eachExpl)
{
$eachExpl = mb_ereg_replace('[^а-я ]',' ', $eachExpl);
if (trim($eachExpl) != '')
if (!in_array($eachExpl, $list, true)) $list[] = trim($eachExpl);
}
}
?>
To work properly I got to set all the internal encoding settings to UTF-8. Else the default Latin-1 got half my database with missing characters.
I am posting this solution just in case someone has encountered a similar problem. Hope it helps you in case you need something like that.
keizo at gomo dot jp
23-Jul-2008 09:32
<?php
$pattern = "([あ-ん]+)[0-9]+";
$string = mb_ereg_replace($pattern, '「\\1」:\\0', $string);
?>
you can use \\n for capture group in replacement
gmx dot net at ulrich dot mierendorff
01-Jul-2008 07:39
If you want to replace characters like "ä" or "ø" you can use mb_ereg_replace, but it is very slow. str_replace is much faster and also works with characters like "ä" or "ø"!
I think this has something to with the fact that str_replace works on byte level and does not care about characters.
I hope that can help.
04-Dec-2006 08:36
'i' option does not work correctly with multibyte characters. The function does not locate/replace the multibyte string if it's different case then specified on multibyte needle which is in different case.
squeegee
01-Nov-2006 07:41
well, if you just calculated the length of the find and replace strings once instead of on every loop, it would likely speed it up a lot.
mpnicholas [@t] gmail (dot) com
09-Jul-2006 03:09
Regarding the mb_str_ireplace() function: I benchmarked it against mb_eregi_replace() for single-character substitution, and it was significantly slower. Despite avoiding the ereg call, I think the while loop ends slowing you down too much for this to be practical.
vondrej(at)gmail(dot)com
26-Feb-2006 03:47
Are you looking for htmlentities() for multibyte strings? This might help you - it just replace <, >, ", '
<?php
/**
* Multibyte equivalent for htmlentities() [lite version :)]
*
* @param string $str
* @param string $encoding
* @return string
**/
function mb_htmlentities($str, $encoding = 'utf-8') {
mb_regex_encoding($encoding);
$pattern = array('<', '>', '"', '\'');
$replacement = array('<', '>', '"', ''');
for ($i=0; $i<sizeof($pattern); $i++) {
$str = mb_ereg_replace($pattern[$i], $replacement[$i], $str);
}
return $str;
}
?>
faxe at neostrada dot pl
09-Aug-2005 03:52
A simple mb_str_ireplace() implementation - a faster (?) replacement for non-regexp multi-byte string replacement:
<?php
function mb_str_ireplace($co, $naCo, $wCzym)
{
$wCzymM = mb_strtolower($wCzym);
$coM = mb_strtolower($co);
$offset = 0;
while(!is_bool($poz = mb_strpos($wCzymM, $coM, $offset)))
{
$offset = $poz + mb_strlen($naCo);
$wCzym = mb_substr($wCzym, 0, $poz). $naCo .mb_substr($wCzym, $poz+mb_strlen($co));
$wCzymM = mb_strtolower($wCzym);
}
return $wCzym;
}
?>
[thiago - EDITOR NOTE: This function has improvements from d-okumura [aat] fi{dot}kyd[dot]co.jp]