(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
mb_ereg_search — Multibyte regular expression match for predefined multibyte string
Performs a multibyte regular expression match for a predefined multibyte string.
patternThe search pattern.
optionsThe search option. See mb_regex_set_options() for explanation.
mb_ereg_search() returns true if the
multibyte string matches with the regular expression, or false
otherwise. The string for matching is set by
mb_ereg_search_init(). If
pattern is not specified, the previous one
is used.
| 版本 | 说明 |
|---|---|
| 8.0.0 |
pattern and options are nullable now.
|
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。
mb_ereg_search & subpatternsuse loop:<?php $str = "中国abc + abc ?!？！字符＃ china string"; $reg = "\w+"; mb_regex_encoding("UTF-8"); mb_ereg_search_init($str, $reg); $r = mb_ereg_search(); if(!$r) { echo "null\n"; } else { $r = mb_ereg_search_getregs(); //get first result do { var_dump($r[0]); $r = mb_ereg_search_regs();//get next result } while($r); }?>A 'match_all' helper function based on dulao's answer. Someone might find it useful...<?phpfunction mb_ereg_match_all($pattern, $subject, &$matches, $options = '', $setOrder = false, $offset = 0) { if (!mb_ereg_search_init($subject, $pattern, $options)) { return false; } if ($offset != 0 && !mb_ereg_search_setpos($offset)) { return false; } $matches = []; if (!mb_ereg_search()) { return 0; } $regs = mb_ereg_search_getregs(); $count = 0; do { $count++; if ($setOrder) { foreach ($regs as $key => $val) { $matches[$key][] = $val; } } else { $matches[] = $regs; } $regs = mb_ereg_search_regs(); } while($regs); return $count;}?>