Extract pattern from a string

user_1533326 0
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In bash script, what is the easy way to extract a text pattern from a string?

For example, I want to extract X followed by 2 digits in the end of the string?

bash
5 Answers

I need to extract the host port from this string: NIC 1 Rule(0): name = guestssh, protocol = tcp, host ip = , host port = 2222, guest ip = , guest port = 22

That string is obtained by using: vboxmanage showvminfo Mojave | grep 'host port', I mean is filtered and I need to extract whatever number be in the host port; in this case is 2222 but it can be different.

user_28953460
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