Is Java RegEx case-insensitive?

Question

In Java, when doing a replaceAll to look for a regex pattern like:

replaceAll(\"\\\\?i\\\\b(\\\\w+)\\\\b(\\\\s+\\\\1)+\\\\b\", \"$1\"); 

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Answer 1

RegexBuddy is telling me if you want to include it at the beginning, this is the correct syntax:

"(?i)\\b(\\w+)\\b(\\s+\\1)+\\b"