Characters classes specifies a list of possible characters : Basic Regular Expressions « Regular Expressions « Java

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Java » Regular Expressions » Basic Regular Expressions

Characters classes specifies a list of possible characters


  



Character Class Meta-Character            Matches



.                                         Any single character



\d                                        A digit [0-9]



\D                                        A nondigit [^0-9]



\s                                        A whitespace character [ \t\n\x0B\f\r]



\S                                        A nonwhitespace character[^\s]



\w                                        A word character  [a-zA-Z_0-9]



\W                                        A nonword character [^\w]

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