Issue with Java Regex \b

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In Java, "\b" is a back-space character (char 0x08), which when used in a regex will match a back-space literal.

You want the regex a\b, which in java is coded by escaping the back-slash, like this:

"a\\b"

btw, you are only partially correct about the meaning of regex \b – it actually means “word boundary” (either the start or end of a word).

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