I'm looking for a regular expression in Java which matches all whitespace characters in a String. "\s" matches only some, it does not match and similar non-ascii whitespaces. I'm looking for a regular expression which matches all (common) white-space characters which can occur in a Java String.
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To clarify: I do not mean the string sequence " " I mean the sincle unicode character U+00A0 that is often represented by " ", e.g. in HTML, and all other unicode characters with a similar white-space meainig, e.g. "NARROW NO-BREAK SPACE" (U+202F), Word joiner encoded in Unicode 3.2 and above as U+2060, "ZERO WIDTH NO-BREAK SPACE" (U+FEFF) and any other character that can be regareded as white-space.
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\p{javaWhitespace} does not match U+00A0 ( ) and is not the answer I'm looking for.
The is only whitespace in HTML. Use an HTML parser to extract the plain text. and \s should work just fine.