Please enable JavaScript to use regex101
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101
Reg
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Ex
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101
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Regular Expression
/
(?<=<[^>]*)(?<=\s)(on\w+|formaction|action)=["']?(.*?)["']?(?=[\n>])
/
gm
Input 1
1
New
<img src="/name"> <a href="javascript:void">some url</a> <a href="https://convertkit.com">URL</a> <img src=x onerror="alert(document.domain)"> <img src=x onerror=" alert(document.domain) "> <img src=x onerror="alert(document.domain)" > <img src=x onerror=alert(document.domain)> <button form="form1" formaction="javascript:alert(1)">Submit</button> <form action=""></form> <button onclick="hacked()">Hack</button> <a href="https://convertkit.com/about?utm_content=bazard">click men</a> <div>onmouseover=alert(1)</div> <div> onmouseover=alert(1) </div>
Substitution