1001 grep -E "Chocolate" candies.txt 1002 grep -Ei "Chocolate" candies.txt 1003 grep -E "a" candies.txt 1004 grep -E "." candies.txt 1005 grep -E ".a" candies.txt 1006 grep -E "^K" candies.txt 1007 grep -E "s$" candies.txt 1008 grep -E "\" candies.txt 1010 grep -E "t\>" candies.txt 1011 grep -E "\." candies.txt 1012 echo "this is a sentence" | grep -E "s/>" 1013 echo "this is a sentence" | grep -E "s\>" 1014 echo "this is a sentence" | grep -E "e$" 1015 echo "these is a sentence" | grep -E "e$" 1016 echo "these is a sentence " | grep -E "e$" 1017 grep -E "\" candies.txt 1018 grep -E "T..." candies.txt 1019 grep -E "Twix|Tart" candies.txt 1020 grep -E "Twix | Tart" candies.txt 1021 grep -E "Twix|Tart" candies.txt 1022 grep -E "et|at" candies.txt 1023 grep -E "(a|e)t" candies.txt 1024 grep -E "(a|r|e)t" candies.txt 1025 grep -E "e*t" candies.txt 1026 grep -E "e+t" candies.txt 1027 grep -E "e*t" candies.txt 1028 grep -E "e?t" candies.txt 1029 grep -E "(es)+" candies.txt 1030 grep -E "e*t" candies.txt 1031 grep -E "e*" candies.txt 1032 grep -E "(k|K)it ?(k|K)ats?" kitkats.txt 1033 grep -Ei "(k|K)it ?(k|K)ats?" kitkats.txt 1034 grep -E "[abc]" passwords.txt 1035 grep -E "[a-z]" passwords.txt 1036 grep -E "[a-zA-Z]" passwords.txt 1037 grep -E "[0-9]" passwords.txt 1038 grep -E "[^0-9]" passwords.txt 1039 grep -E "[.]" passwords.txt 1040 grep -E "[^0-9a-zA-Z]" passwords.txt 1041 grep -E "[0-9]{2}" passwords.txt 1042 grep -E "[0-9]{,2}" passwords.txt 1043 grep -E "[0-9]{1,2}" passwords.txt 1044 grep -E "[0-9]{1,3}" passwords.txt 1045 grep -E "[0-9]{2,}" passwords.txt 1046* grep -E "(..)\1" passwords.txt 1047 echo "appa" | grep -E "(.).*\1" 1048 echo "appa appe" | grep -E "(.).*\1" 1049 echo "appa" | grep -E "(.).*\1" 1050 echo "s" | grep -E "(|s)" 1051 echo "s" | grep -E "s?" 1052 echo "appe" | grep -E "(.).*\1" 1053 cd 1054 vim .vimrc 1055 echo "appa appe" | grep -E "(.).\1" 1056 echo "appa appe" | grep -E "(.).*\1" 1057 echo "appa appe" | grep -E "^(.).*\1" 1058 history 1059 history > commands.txt