文章列表
remove unicode characters but keep all special and English characters with preg_replace(使用preg_place删除Unicode字符，但保留所有特殊字符和英语字符)
Using Regular Expression remove HTML comments from content(使用正则表达式从内容中删除HTML注释)
Making a [code][/code] for BBcode with php regex(用php regex为BBcode制作[code][/code)
preg_replace non-alpha, leave single whitespaces(preg_place非字母，保留单个空格)
in php how to remove all special characters, uppercase letters, numbers and spaces(在php中如何删除所有特殊字符、大写字母、数字和空格)
Preg_replace BBCode Link(PREG_REPLACE BBCode链接)
preg_replace in PHP - regular expression for NOT condition(PHP中的PREG_REPLACE-NOT条件的正则表达式)
preg_replace using pattern as index of replacement data array(PRIG_REPLACE使用Pattern作为替换数据数组的索引)
PHP Filter text for banned words(PHP过滤中禁用单词的文本)
Replace placeholders which start with # then whole word(替换以#开头的占位符，然后替换整个单词)
