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3,258
Posted By sean96
I tried grep -E and it didn't work. I've attached...
I tried grep -E and it didn't work. I've attached the text file that I am using and I basically want to return valid codes that have a hash symbol and have 6 or 8 characters ranging from A-Z, a-z or...
3,258
Posted By sean96
So I think I found out a good way of doing it by...
So I think I found out a good way of doing it by using grep and regular expression to filter out the non-valid codes but it doesn't seem to work and I don't know why

grep...
3,258
Posted By sean96
Filter valid hexadecimal color codes
So I have a text file containing valid and invalid hexadecimal color codes. Would I need to build a custom c program to filter the valid color codes or would a standard unix command achieve this?
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