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mb_regex_set_options

mb_regex_set_options

(PHP 4 >= 4.3.0, PHP 5)

mb_regex_set_optionsSet/Get the default options for mbregex functions

说明

string mb_regex_set_options ([ string $options = "msr" ] )

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

参数

options

The options to set. This is a 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', '$' -> ''
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

返回值

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

参见

  • mb_split() - Split multibyte string using regular expression
  • mb_ereg() - Regular expression match with multibyte support
  • mb_eregi() - Regular expression match ignoring case with multibyte support

  • mb_check_encoding
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  • mb_detect_encoding
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  • mb_encoding_aliases
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  • mb_eregi_replace
  • mb_ereg_match
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  • mb_ereg_search
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  • mb_ereg_search_init
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  • mb_get_info
  • mb_http_input
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  • mb_internal_encoding
  • mb_language
  • mb_list_encodings
  • mb_output_handler
  • mb_parse_str
  • mb_preferred_mime_name
  • mb_regex_encoding
  • mb_regex_set_options
  • mb_send_mail
  • mb_split
  • mb_strcut
  • mb_strimwidth
  • mb_stripos
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