@ahmedalsaidi You do not need to change the content type since you specify the character set to use in the ExtractText processor which defaults to "UTF-8". If you change the content type or the filename, the built in content viewer in NiFi would be able to display text instead of hex. For example: adding ".txt" to end of filename. When it comes to your matching issue, it would be difficult for me to say what is happening here without a working and non-working sample to look at. In Java regular expressions the "." means any character; however, looking at you hex output screenshot it looks like you really want a literal "." to match. If you want your java regular expression to match the literal ".", then add a "\" (backslash) before each ".". If you found that the provided solution(s) assisted you with your query, please take a moment to login and click Accept as Solution below each response that helped. Thank you, Matt
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