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Regexploit - Put A Stop To Regular Expression DoS Attacks

 There's a new tool that can identify resource-hungry regular expressions that can be potentially exploited in launching ReDos attacks.

In Can Regular Expressions Be Safely Reused Across Languages? I looked into whether it is possible to reuse a regular expression crafted in JavaScript verbatim in Python. Would doing so lead to the same results and performance? Swap your languages of interest in place of JavaScript and Python; the question remains the same. Setting aside the question of equality of the cross-language results, the article also looked at the performance side of the story which perfectly relates to this Regxploit tale.

full article on i-programmer

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