mb_eregi
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
mb_eregi — Regular expression match ignoring case with multibyte support
说明
$pattern
,
string $string
[,
array &$regs
] ) :
int
Executes the case insensitive regular expression match with multibyte support.
参数
-
pattern
-
The regular expression pattern.
-
string
-
The string being searched.
-
regs
-
If matches are found for parenthesized substrings of
pattern
and the function is called with the third argumentregs
, the matches will be stored in the elements of the arrayregs
. If no matches are found,regs
is set to an empty array.$regs[1] will contain the substring which starts at the first left parenthesis; $regs[2] will contain the substring starting at the second, and so on. $regs[0] will contain a copy of the complete string matched.
返回值
Returns the byte length of the matched string if a match for pattern
was found in string
, or FALSE
if no matches were found or an error occurred.
If the optional parameter regs
was not passed or the length of the matched string is 0, this function returns 1.
更新日志
版本 | 说明 |
---|---|
7.1.0 | mb_eregi() will now set regs to an empty array, if nothing matched. Formerly, regs was not modified in that case. |
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。
参见
- mb_regex_encoding() - Set/Get character encoding for multibyte regex
- mb_ereg() - Regular expression match with multibyte support