STACKOVERFLOW

pkill = '.*? (\\w+):(\\w+)\\b(?!:)'

with open(PL, encoding='utf-8', mode='rt') as b:
    b.seek(0,2)
    while True:
        k = b.readline()

        if(re.search(pkill, k)):
            names = k.split(":")
            player, attacker = names[0], names[1]
            await kchannel.send(':crossed_swords: Игрок **' + attacker + '** убил игрока **' + player + '**')