day 3 Python/Julia

#Python one-liners
import re
print(sum(int(x)*int(y) for x,y in re.findall(r'mul\((\d{1,3}),(\d{1,3})\)',open('input').read())))
print((en := True) and sum(int(x) * int(y) * en if not (do or dont) else (en := do!='') * 0 for x, y, dont, do in re.findall(r"mul\((\d{1,3}),(\d{1,3})\)|(don't\(\))|(do\(\))", open('input').read())))

#Python
import re
s=open('input').read()
pattern=r'mul\((\d{1,3}),(\d{1,3})\)'
pattern2=r"mul\((\d{1,3}),(\d{1,3})\)|(don't\(\))|(do\(\))"
print(sum(int(x)*int(y) for x,y in re.findall(pattern,s)))
part2=0
en=True
for x, y, dont, do in re.findall(pattern2,s):
    if dont or do:
        en = do!=''
    elif en:
        part2 += int(x)*int(y)
print(part2)

#Julia
s = read("input", String)
pattern=r"mul\((\d{1,3}),(\d{1,3})\)"
println(sum(parse(Int, x) * parse(Int, y) for (x, y) in eachmatch(pattern, s)))
s = join([split(x, "don't()")[1] for x in split(s, "do()")], " ")
println(sum(parse(Int, g[1]) * parse(Int, g[2]) for g in eachmatch(pattern, s)))