You need preg_replace('~[^0-9a-zA-Z\p{Han}]+~u', '', $raw) 请参阅regex演示。 [^0-9a-zA-Z\p{Han}]+是一个否定字符类,它匹配除ASCII数字、ASCII字母和任何中文字符以外的任何一个或多个字符。 在这个模式中使用u标志很重要,因为您的输入是Unicode字符串。 请参阅PHP演示: $raw = 'a>b...
$regex ='#^http://([\w.]+)/([\w]+)/([\w]+)\.html$#i'; $str ='http://www.youku.com/show_page/id_ABCDEFG.html'; $matches = array(); if(preg_match($regex, $str, $matches)){ var_dump($matches); } echo"\n"; ¤ 修饰符:用于改变正则表达式的行为。 我们看到的('/^htt...
preg_replace POSIX Regex PCRE 函数 在线手册:中文 英文PHP手册preg_split (PHP 4, PHP 5) preg_split— 通过一个正则表达式分隔字符串 说明 array preg_split ( string $pattern , string $subject [, int $limit = -1 [, int $flags = 0 ]] ) 通过一个正则表达式分隔给定字符串. 参数 pattern ...
October 22, 2007inRegex Help kusal Members 36 Location:Sri Lanka - Colobmo PostedOctober 22, 2007 Warning: preg_match_all() [function.preg-match-all]: Compilation failed: lookbehind assertion is not fixed length at offset 29 '/(?<=Phone: \s? \<\/span\> \s*) [( \d].* \b/...
4. Using Regex in PHP In PHP we have a total of nine PCRE functions which we can use. Here’s the list: preg_filter– performs a regular expression search and replace preg_grep– returns array entries that match a pattern preg_last_error– returns the error code of the last PCRE rege...
问用php/regex验证美国电话号码EN^(?:(?:(?:1[.\/\s-]?)(?!\())?(?:\((?=\d{3}\))...
Regular expression syntax reference
Lookbehind. \) # Only if we have an open parentheses and 3 digits )? [\s.\/-]? # Optional Space Delimeter )? (\d{3}) # 3 Digits [\s\.\/-]? # Optional Space Delimeter (\d{4})\s? # 4 Digits and an Optional following Space (?: # Extension (?: # Lets look for ...
You can either make an agreement with us-proxies for IP addresses or replace the relevant parts and use your own IP solution. Before using the source code please read the license agreement. Example output Here is an example result-set from a test-run: Keyword: Scraping PHP !Ranking ...
$subject = ereg_replace($match, $rep, $subject); } return $subject; } ?> This function can turn blocks of text into clickable links or whatever. Example: <?php reg_smart_replace(EMAIL_REGEX, '$$$', $description) ?> will turn all email addresses...