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mb_ereg() executes the regular
expression match with multibyte support, and returns 1 if
matches are found. If the optional third parameter was
specified, the function returns the byte length of matched
part, and therarray regs
will contain the substring of matched string. The functions
returns 1 if it matches with the empty string. It no matche
found or error happend,
FALSE will be returned.
The internal encoding or the character encoding
specified in mb_regex_encoding() will be used as
character encoding.
注: This function is supported in PHP 4.2.0 or higher.
See also: mb_regex_encoding(),
mb_eregi()