(PHP 4 >= 4.3.0, PHP 5, PHP 7)
mb_regex_set_options — Set/Get the default options for mbregex functions
说明
mb_regex_set_options([ string $options= mb_regex_set_options()]): string
Sets the default options described byoptionsfor multibyte regex functions.
参数
optionsThe options to set. This is a string where each character is an option. To set a mode, the mode character must be the last one set, however there can only be set one mode but multiple options.
Regex options Option Meaning i Ambiguity match on x Enables extended pattern form m '.'matches with newlines s '^'->'\A','$'->'\Z' p Same as both themandsoptions 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
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返回值
The previous options. Ifoptionsis omitted, it returns thestringthat describes the current options.
参见
mb_split()- 使用正则表达式分割多字节字符串
mb_ereg()- Regular expression match with multibyte support
mb_eregi()- Regular expression match ignoring case with multibyte support