module Vagrant::Util::ANSIEscapeCodeRemover
Public Instance Methods
remove_ansi_escape_codes(text)
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Removes ANSI escape code sequences from the text and returns it.
This removes all the ANSI escape codes listed here along with the escape codes for VT100 terminals:
ascii-table.com/ansi-escape-sequences.php
# File lib/vagrant/util/ansi_escape_code_remover.rb, line 11 def remove_ansi_escape_codes(text) # An array of regular expressions which match various kinds # of escape sequences. I can't think of a better single regular # expression or any faster way to do this. matchers = [/\e\[\d*[ABCD]/, # Matches things like \e[4D /\e\[(\d*;)?\d*[HF]/, # Matches \e[1;2H or \e[H /\e\[(s|u|2J|K)/, # Matches \e[s, \e[2J, etc. /\e\[=\d*[hl]/, # Matches \e[=24h /\e\[\?[1-9][hl]/, # Matches \e[?2h /\e\[20[hl]/, # Matches \e[20l] /\e[DME78H]/, # Matches \eD, \eH, etc. /\e\[[0-3]?[JK]/, # Matches \e[0J, \e[K, etc. ] # Take each matcher and replace it with emptiness. matchers.each do |matcher| text.gsub!(matcher, "") end text end