sed 's/ Телефон: /\t/' filename # basic search and replace
sed 's/ [-] .*//' filename # put tricky chars in []
sed 's/\&/\&/' filename # example of escaped char
sed 's/.\{1\}/& /g' filename # insert 1 space between each char
sed 's/.\{2\}/& /g' filename # insert 2 spaces between each char
sed 's/\(.*\)\/word$/word\1/' filename # search and replace with a captured pattern () on LHS and \1 on RHS
sed 's/word/&\n/' filename # search and replace insert a newline
sed '/^\s*$/d' filename # delete blank line
sed '/^\s*$/d' filename # delete blank line
Good resources for one-liners with examples http://sed.sourceforge.net/sed1line.txt
