Javascript RegExp Unicode Character Class tester

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From the Mozilla Developer Center RegExp documentation
.     any single character except: \n \r \u2028 or \u2029 
[\b]  backspace
\b    word boundary
\B    non-word boundary 
\cM   control-M
\d    digit character (all alphabets)
[0-9] Equivalent to the latin-alphabet subset of  \d 
\D    any non-digit character (all alphabets)
[^0-9]Equivalent to latin-alphabet subset of \D 
\f    form-feed 
\n    linefeed 
\r    carriage return 
\s    single white space character
[\t\n\v\f\r \u00a0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000]equivalent to \s
\S    single character other than white space
[^\t\n\v\f\r \u00a0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000]equivalent to \S
\t    tab
\v    vertical tab
\w    any latin-alphabet alphanumeric character including the underscore
[A-Za-z0-9_]equivalent to \w
\W    any non-(latin-alphabet)word character 
[^A-Za-z0-9_]equivalent to \W
\0    NUL character 
\xC2  character with the code C2 (two hexadecimal digits) 
\u1234character with code 1234 (four hexadecimal digits) 

CharDecimalUnicode  Invert results