http://www.russellheimlich.com/blog/the-best-regular-expression-tool-on-the-net/ The Blog of Russell Heimlich Sun, 01 Aug 2010 02:42:55 +0000 hourly 1 http://wordpress.org/?v=3.0.1 http://www.russellheimlich.com/blog/the-best-regular-expression-tool-on-the-net/comment-page-1/#comment-295 Adobe.com Had A Security Hole » Coding, Web, Internet » Russell Heimlich Thu, 27 Sep 2007 02:48:16 +0000 http://www.russellheimlich.com/blog/the-best-regular-expression-tool-on-the-net/#comment-295 [...] When coding a web application it is a good idea to build in a sanitize function that will strip out any non-alphanumeric characters like backslashes and periods. This can be done easily with a regular expression like replace(/W/ig,”") that is common to most any programming language. This regular expression would change this ../../../../../../../../../usr/local/apache/conf/ssl.key/www.adobe.com.key%00 to this usrlocalapacheconfsslkeywwwadobecomkey00 . For more help with regular expressions check out this great tool I found. [...] [...] When coding a web application it is a good idea to build in a sanitize function that will strip out any non-alphanumeric characters like backslashes and periods. This can be done easily with a regular expression like replace(/W/ig,””) that is common to most any programming language. This regular expression would change this ../../../../../../../../../usr/local/apache/conf/ssl.key/www.adobe.com.key%00 to this usrlocalapacheconfsslkeywwwadobecomkey00 . For more help with regular expressions check out this great tool I found. [...]

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