Using SED with wildcard

Question

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

User · Accepted Answer

The asterisk     means  zero or more of the previous item    If you want to match any single character use  sed -i  s string-  string-0 g  file txt   If you want to match any string  i e  any single character zero or more times  use  sed -i  s string-   string-0 g  file txt

User · Answer

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

[bash] Using SED with wildcard

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