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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])

切記!
這個函數是實驗性質的。這個函數的行為、名稱、和關於此函數的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此延伸需自行承擔風險。

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.

See also: mb_regex_encoding(), mb_eregi_replace().

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