[bash] Using SED with wildcard

I want to replace a string with wildcard but it doesn't work.

The string looks like "some-string-8"

I wrote

sed -i 's/string-*/string-0/g' file.txt

but the output is

some-string-08

This question is related to bash sed wildcard

The answer is

So, the concept of a "wildcard" in Regular Expressions works a bit differently. In order to match "any character" you would use "." The "*" modifier means, match any number of times.

Source: Stackoverflow.com

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[bash] Using SED with wildcard

The answer is

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