Are they connected by a Brussels choice?
Retina, 38 bytes
L$w`0|[1-9]\d*
$`$.(*2*)$'
m`^(.+),\1$

Try it online! Link includes test cases. Outputs 0 for Falsey, non-zero for Truthy. Explanation:
L$w`0|[1-9]\d*

Match all integer substrings of both inputs, including 0 but not integers beginning with 0.
$`$.(*2*)$'

List the result of doubling that substring only.
m`^(.+),\1$

Check to see whether this produces any pairs of equal integers.