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Editorial Team
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Asked: 2026-06-04T02:59:46+00:00

An obvious way to handle String search and replace is String s = This

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An obvious way to handle String search and replace is 

String s = "This will go over well!";
s = s.replace("go", "not go");

I wonder .. can the same be done using regex package? Are there benefits from using it?

Can something along the lines of s/go/not go/g exist?

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1 Answer

  1. Editorial Team

    I wonder .. can the same be done using regex package? Are there benefits from using it?

    Please look at using String#replaceAll(String regex, String replacement) instead of String#replace(...) since this uses a regular expression for the first parameter. The String API will tell you more about this. This does give some added flexibility and power but with the price (I believe — I have not profiled this) of slower execution time.

    Can something along the lines of s/go/not go/g exist?

    I’m not sure I understand what you’re asking here. Can you please clarify this a bit?

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