mb_eregi Regular expression match ignoring case with multibyte support
发表日期:2021-07-01 08:55:52 | 来源: | | 浏览(846) 分类:多字节字符串 函数
mb_eregi
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_eregi — Regular expression match ignoring case with multibyte support
说明
$pattern
, string $string
, array &$matches
= null
): boolExecutes the case insensitive regular expression match with multibyte support.
参数
-
pattern
-
The regular expression pattern.
-
string
-
The string being searched.
-
matches
-
If matches are found for parenthesized substrings of
pattern
and the function is called with the third argumentmatches
, the matches will be stored in the elements of the arraymatches
. If no matches are found,matches
is set to an empty array.$matches[1] will contain the substring which starts at the first left parenthesis; $matches[2] will contain the substring starting at the second, and so on. $matches[0] will contain a copy of the complete string matched.
返回值
Returns whether pattern
matches string
.
更新日志
版本 | 说明 |
---|---|
8.0.0 |
This function returns true on success now. Previously, it returned the byte length
of the matched string if a match for pattern was found in
string and matches was passed.
If the optional parameter matches was not passed or
the length of the matched string was 0 , this function returned 1 .
|
7.1.0 |
mb_eregi() will now set matches to
an empty array, if nothing matched. Formerly,
matches was not modified in that case.
|
注释
注意:
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。
参见
- mb_regex_encoding() - Set/Get character encoding for multibyte regex
- mb_ereg() - Regular expression match with multibyte support
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