Firstly sorry, if the forum location is wrong. Since the scenario is related to security I just put my concern here.
Scenario: We are creating a filter to parse the request and eliminate the vulnerable characters for our application which supports languages en, fr, de. To achieve that we are creating a list of characters that can be allowed and we could do it successfully for English using a regular expression as below.
However, to achieve the same for French and German characters in form of regular expression, we couldn't get a way out. Google search didn't help much.
Any suggestions or links are highly appreciated.
Thanks in advance
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