Java regular expression to match _all_ whitespace characters

Question

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 s

Answer 1

In case anyone runs into this question again looking for help, I suggest pursuing the following answer: https://stackoverflow.com/a/6255512/1678392

The short version: \\p{javaSpaceChar}

Why: Per the Pattern class, this maps the Character.isSpaceChar method:

Categories that behave like the java.lang.Character boolean ismethodname methods (except for the deprecated ones) are available through the same \p{prop} syntax where the specified property has the name javamethodname.

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