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# mb_ereg_replace

(PHP 4 >= 4.2.0)

mb_ereg_replace -- Replace regular expression with multibyte support

## Description

string mb_ereg_replace ( string pattern, string replacement, string string [, array option])

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

mb_ereg_replace() scans `string` for matches to `pattern`, then replaces the matched text with `replacement` and returns the result string or `FALSE` on error. Multibyte character can be used in `pattern`.

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.

The internal encoding or the character encoding specified in mb_regex_encoding() will be used as character encoding.

> Note: This function is supported in PHP 4.2.0 or higher.

See also: mb_regex_encoding(), mb_eregi_replace().

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