$text = preg_replace("/b(regex)b/i", '1', $text); echo $text; 突出查询结果在你的 WordPress 博客里就像刚才我说的,上面的那段代码可以很方便的搜索出结果,而这里是一个更好的方式去执行搜索在某个WordPress的博客上打开你的文件 search.php ,然后找到 方法 the_title() 然后用下面代码替换掉它...
EN我有一个php配置文件，其中包含一些用于存储设置的数组。对于开发人员来说，正则表达式是一个非常有用...
regexp,withplural forms regexes,regexps,or regexen)are writtenina formal language that can be interpreted by a regular expression processor";$text=preg_replace("/b(regex)b/i",'1',$text);echo $text; 突出查询结果在你的WordPress博客里就像刚才我说的,上面的那段代码可以很方便的搜索出结果,而这里...
php$string= "The quick brown fox jumped over the lazy dog.";$patterns[0] = "/quick/";$patterns[1] = "/brown/";$patterns[2] = "/fox/";$replacements[2] = "bear";$replacements[1] = "black";$replacements[0] = "slow";printpreg_replace($patterns,$replacements,$string);/*Output ...
ExampleGet your own PHP Server Use a case-insensitive regular expression to replace Microsoft with W3Schools in a string: <?php $str ='Visit Microsoft!'; $pattern ='/microsoft/i'; echopreg_replace($pattern,'W3Schools', $str); ?> ...
preg_replace() Returns a string where matches of a pattern (or an array of patterns) are replaced with a substring (or an array of substrings) in a given string preg_replace_callback() Given an expression and a callback, returns a string where all matches of the expression are replaced...
Example // Lets try and reverse the order of the day and month in a date // string. Notice how we can reference the two groups directly // by index (ie. $1 and $2). $regex = "/([a-zA-Z]+) (\d+)/"; $new_string = preg_replace($regex, "$2 of $1", "June 24"); ...
include php query-string regex <?php // 过滤QUERY_STRING $query_string = filter_input(INPUT_SERVER, 'QUERY_STRING', FILTER_SANITIZE_STRING); // 使用正则表达式过滤QUERY_STRING $query_string = preg_replace('/[^a-zA-Z0-9_\-\.\=\&\?\/]/', '', $query_string); // 输出过滤后的...
$text = preg_replace("/b(regex)b/i", '1', $text); echo $text; 突出查询结果在你的 WordPress 博客里就像刚才我说的,上面的那段代码可以很方便的搜索出结果,而这里是一个更好的方式去执行搜索在某个WordPress的博客上打开你的文件 search.PHP ,然后找到方法 the_title然后用下面代码替换掉它。 echo $...
Example: $message = " My Number is \n 0\n 7\n 8\n 9\n Come Home\n " Becomes: $message = " My number is\n 0789\n Come Home\n " 这就是我拥有的,但它删除了所有内容 $message = trim(preg_replace('\d+\s+', '', $message),'\n'); ...