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Java Regex Q&A » find » replace 

1. How to find two adjacent repeating digits and replace them with a single digit in Java?    stackoverflow.com

I need to find two adjacent repeating digits in a string and replace with a single one. How to do this in Java. Some examples: 123345 should be 12345 77433211 should be ...

2. Regex to find multiple \n and replace with only one
    stackoverflow.com

I've got a regex .replaceAll("(\r\n|\n)", "< br />")); which replaces all \n and replaces with < br/>. The thing I wanted here, is to replace more than one \n in a row ...

3. find replace in file with regular expression    coderanch.com

Please help me, I have been in this mess since long now. I have 2 files, one from which i pick up text and the other which i span to replace the text in. i was tryin it with regular expressions but i failed without any error messages. please help. Creating scenario below: I have a variable calculated substrVersion inside a ...

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