Remove anything between two character

Question

i want to remove anything between "?" and "/"

my text is "hi?0/hello/hi"

i need to see this out put

"hi?/hello/hi"

My Code Is

key.replaceAll("\\?.*/","?/");

but my Output Is

"hi?/hi"

whats wrong?

Answer 1

You are using greedy matching, so it matches up to the next slash too. Try:

key.replaceAll("\\?.*?/","?/");

An alternative still using greedy matching is to match any character except /:

key.replaceAll("\\?[^/]*/","?/");

Answer 2

Use this:

key.replaceAll("\\?.*?/","?/")

You can read more about greedyand non greedy matching here