# cat passwordfile | grep -v '\$hex\[.*\]'
$hex[d18cd18430363033] $hex[d18cd184d0b2d0bad188d0b2] $hex[d18cd184d0b2d184d0bfd184d18bd0bbd184d0ba] $hex[d18cd184d0b2d188d182d184] $hex[d18cd184d0b4d183d0bb3839] $hex[d18cd184d0b4d188d182d0bbd184] $HEX[030f3a68ba] $HEX[03323b00] $HEX[033b] $HEX[03616263] $HEX[0361] $HEX[036e090f0c] $HEX[036e7f56] $HEX[038c0101] $HEX[03] $HEX[03b2] $HEX[03dd2a26] $HEX[03eb0f0d] $HEX[04000000] $HEX[0400030708] $HEX[0400313233] $hex[d18cd184d0bad0b5313537323031] $hex[d18cd184d0bad0b5d1843031] $hex[d18cd184d0bad0b5d18431] $hex[d18cd184d0bad0b5d188d18230393032]
# grep -iv '\$hEx\[.*\]' passfile