jenik@jenik-laptop:~$ echo "lala=172ahhas6626; lolca=27727352jaah; " | sed -n '/lolca/,/;/p' lala=172ahhas6626; lolca=27727352jaah;
echo "lala=172ahhas6626; lolca=27727352jaah; " | sed 's/;.*$//;s/^.*=//'
echo "lala=172ahhas6626; lolca=27727352jaah; " | sed 's/^.*lala=//;s/;.*//'