mb_regex_set_options

Sets the default options described by options for multibyte regex functions.

The options to set. This is a string where each character is an option. To set a mode, the mode character must be the last one set, however there can only be set one mode but multiple options.

Regex options

Option	Meaning
i	Ambiguity match on
x	Enables extended pattern form
m	'.' matches with newlines
s	'^' -> '\A', '$' -> '\Z'
p	Same as both the m and s options
l	Finds longest matches
n	Ignores empty matches
e	eval() resulting code

Regex syntax modes

Mode	Meaning
j	Java (Sun java.util.regex)
u	GNU regex
g	grep
c	Emacs
r	Ruby
z	Perl
b	POSIX Basic regex
d	POSIX Extended regex

The previous options. If options is omitted, it returns the string that describes the current options.

mb_split() -

mb_ereg() -

mb_eregi() -