Question

How to convert multiple <br/> tags to a single <br/> tag using RegEx in Java

Answer 1

public class ReplaceBrTags {
    public static void main(String[] args) {
        String input = "ab<br/><br/>cd<br/>efg<br/><br/><br/>hijk<br/><br/>";

        // Regex pattern to match one or more consecutive <br/> tags with optional spaces
        String pattern = "(<br\\s*/?>\\s*)+";

        // Replace with a single <br/>
        String output = input.replaceAll(pattern, "<br/>");

        System.out.println(output);
    }
}

 
/*
run:

ab<br/>cd<br/>efg<br/>hijk<br/>
 
*/

 

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