Regular Expression: Any character that is NOT a letter or number

Question

I\'m trying to figure out the regular expression that will match any character that is not a letter or a number. So characters such as (,,@,£,() etc ...

Once found I

Answer 1

Just for others to see:

someString.replaceAll("([^\\p{L}\\p{N}])", " ");

will remove any non-letter and non-number unicode characters.

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