# mb_eregi_replace

(PHP 4 >= 4.2.0, PHP 5, PHP 7)

mb_eregi_replace — Replace regular expression with multibyte support ignoring case

### 说明

mb_eregi_replace ( string `$pattern` , string `$replace` , string `$string` [, string `$option` = "msri" ] ) : string

Scans `string` for matches to `pattern`, then replaces the matched text with `replacement`.

### 参数

`pattern`

  The regular expression pattern. Multibyte characters may be used. The case will be ignored.

`replace`

  The replacement text.

`string`

  The searched string.

`option`
  The search option. See mb_regex_set_options() for explanation.

### 返回值

The resultant string or `FALSE` on error.

### 更新日志

版本 | 说明
--- | ---
7.1.0 | The e modifier has been deprecated.

### 注释

> Note:

> mb_regex_encoding() 指定的内部编码或字符编码将会当作此函数用的字符编码。

Warning

处理非信任的输入时从不使用 e 修饰符，就不会转码（即调用 preg_replace()）。不注意这些会很可能会导致应用程序引发远程代码执行的漏洞。

### 参见

- mb_regex_encoding() - Set/Get character encoding for multibyte regex
- mb_ereg_replace() - Replace regular expression with multibyte support