# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression.
sed -E 's/(.+?) +([^ ].*?) +([^ ].*?) +([^ ].*?) +([^ ].*?) {2,}([^ ].*?) {2,}([^ ].*)/\1, \2, \3, \4, \5, \6, \7/g;t' <<< "SEP111112222555 \+49888880000222 NULL NULL t LG-COBA-DEBER01 HG_BER01 493222225555 LG-COBA-DEBER01 HG_BER01 493222225555"
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for SED, please visit: https://www.gnu.org/software/sed/manual/html_node/The-_0022s_0022-Command.html