Get unicode characters from string.
<?php
mb_regex_encoding("UTF-8");
mb_ereg_search_init("12345=ąčęėįšųūĄČĘĖĮŠŲŪ");
mb_ereg_search("=(\w+)");
$match = mb_ereg_search_getregs();
print($match[1]); //ąčęėįšųūĄČĘĖĮŠŲŪ
?>(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_ereg_search_getregs — Retrieve the result from the last multibyte regular expression match
Retrieve the result from the last multibyte regular expression match
此函数没有参数。
   An array
   including the sub-string of matched part by last
   mb_ereg_search(),
   mb_ereg_search_pos(),
   mb_ereg_search_regs(). If there are some
   matches, the first element will have the matched sub-string, the
   second element will have the first part grouped with brackets, 
   the third element will have the second part grouped with
   brackets, and so on. It returns false on error.
  
注意:
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。
Get unicode characters from string.
<?php
mb_regex_encoding("UTF-8");
mb_ereg_search_init("12345=ąčęėįšųūĄČĘĖĮŠŲŪ");
mb_ereg_search("=(\w+)");
$match = mb_ereg_search_getregs();
print($match[1]); //ąčęėįšųūĄČĘĖĮŠŲŪ
?>