# If you'd like to omit non-matching lines from the result; add ';d' to the end of the expression.
sed -E 's/^(\(\d+,\d+,'[\d\w]+',\d+,\d+,\d+,\d+,\d+,\d+,\d+\))(,(\(\d+,\d+,'[\d\w]+',\d+,\d+,\d+,\d+,\d+,\d+,\d+\))|,{,1})*$//gms;t' <<< "(2,3,'men1',56,45,45,45,45,45,5),(2,3,'men1',6,45,45,45,45,45,45)"
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