Regex handling on code is fun moment and the challange to find and filter Here I wasnt to select letters till the year, technically want that year only ‘[‘ select regex eg: This is how to regex for the year [2020] Regex sample : .+?.\[First dot reperasent start the characters

Ubuntu useful commands

Ubuntu 14.x System menu bar clock missing $killall unity-panel-service How to kill running java programs.. $killall java How to extract / unzip tar files? tar -zxvf <filename>.tar.gz How to clear terminal history? history -c && history -w    

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