sed -r "s/\x1B\[([0-9]{1,3}((;[0-9]{1,3})*)?)?[m|K]//g
Remove color codes (special characters) with sed
Removes ANSI color and end of line codes to the [{attr1};...;{attrn}m format.
Alternatives
sed -r "s/\x1B\[([0-9]{1,3}((;[0-9]{1,3})*)?)?[m|K]//g Remove color codes (special characters) with sed
Removes ANSI color and end of line codes to the [{attr1};...;{attrn}m format.
sed -r "s:\x1B\[[0-9;]*[mK]::g"'
cat input.txt | sed 's/\\\033[^a-zA-Z]*.//g'
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src:::http-colon--slash--slash-www.commandlinefu.com-slash-commands-slash-view-slash-3584-slash-remove-color-codes-special-characters-with-sed