Regular Expressions -- Special Characters

[\b] backspace

\b Word Boundary

\B NOT a Word Boundary

\cC Control Character C

\d Matches a digit

\f Form Feed

\D Matches a NON digit

\n New Line

\s White Space \f\n\r\t\v

\r Carriage Return

\S Not a White Space

\t tab

\v vertical tab

\w Any word Character

\W Not a word Character

\\ Backslash itself

\n (n integer) nth () selected as in $n

\ooctal Char with this octal rep

\xhex Char with this hex rep

. Anything

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