Parse multiple inputs and discard everything non matching

I have some input, let’s say:

Parse multiple inputs and discard everything non matching with Rust and nom

I have some input, let’s say:

How do I parse the escape characters of the content of a string literal input with nom?

So, I’m basically trying to parse a string literal with nom. This is the code I’ve come up with:

Rust nom accept longest matching tag prefix

I want to accept the longest set of input characters that match a subsequence of a target tag, anchored at the beginning.