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我正在使用以下函數來搜索文本文件中的單詞。問題是這個函數是區分大小寫的。我不希望它是區分大小寫的!我如何使功能不區分大小寫?在文本文件中搜索不區分大小寫
$url = 'files/file.txt';
$thedata = file_get_contents($url);
$lines = explode(PHP_EOL, $thedata);
$search = 'some search words';
$pattern = preg_quote($search, '/');
$pattern = "/^.*$pattern.*\$/m";
if(preg_match_all($pattern, $thedata, $matches)) {
echo implode('<br>', $matches[0]);
} else {
echo '<div class="message color-red">';
echo 'Didn\'t find anything on that search!';
echo '</div>';
}
'/^.*$模式* \ $/im'? – sjagr 2014-12-07 02:49:00
有'i'修飾符 – zerkms 2014-12-07 02:49:19
[Regex區分大小寫]可能重複(http://stackoverflow.com/questions/9655164/regex-case-sensitive) – sjagr 2014-12-07 02:50:12