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JoshuEo / CTFs

CTF Writeups
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wrong command in Grep1 challenge in Nactf #2

Open Jeevan666 opened 4 years ago

Jeevan666 commented 4 years ago

When i use grep "nactf{[nac]{10}.{21}[ctf]{14}}" flag.txt as mentioned it doesn't shows the flag. But instead if we try grep -E "nactf{[nac]{10}.{21}[ctf]{14}}" flag.txt it works. Where -E is used for mentioning that we shld search in a Regex manner.

JoshuEo commented 4 years ago

Oh no wonder it never worked, thank you for the tip! I was struggling a bit on doing that so I resorted to using sublime's regex search. I'll make sure to edit that :)

On Thu, Nov 5, 2020, 12:51 PM Jeevan666 notifications@github.com wrote:

When i use grep "nactf{[nac]{10}.{21}[ctf]{14}}" flag.txt as mentioned it doesn't shows the flag. But instead if we try grep -E "nactf{[nac]{10}.{21}[ctf]{14}}" flag.txt it works. Where -E is used for mentioning that we shld searching in a Regex manner.

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