fix: remove :xdigit:
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@ -58,7 +58,7 @@ teams_send() {
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_color="$TEAMS_SKIP_COLOR"
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;;
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esac
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_color="$(echo "${_color:-$TEAMS_THEME_COLOR}" | tr -cd '[:xdigit:]')"
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_color="$(echo "${_color:-$TEAMS_THEME_COLOR}" | tr -cd 'a-fA-F0-9')"
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_data="{\"title\": \"$_subject\","
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if [ -n "$_color" ]; then
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