Regular Expression Pocket Reference, 2nd Edition

Supported Metacharacters

.NET supports the metacharacters and metasequences listed in Table 16 through Table 21. For expanded definitions of each metacharacter, see "Regex Metacharacters, Modes, and Constructs.”

Table 1-16. .NET character representations

Sequence	Meaning
\a	Alert (bell), \x07.
\b	Backspace, \x08, supported only in character class.
\e	Esc character, \x1B.
\n	Newline, \x0A.
\r	Carriage return, \x0D.
\f	Form feed, \x0C.
\t	Horizontal tab, \x09.
\v	Vertical tab, \x0B.
\0octal	Character specified by a two-digit octal code.
\xhex	Character specified by a two-digit hexadecimal code.
\uhex	Character specified by a four-digit hexadecimal code.
\cchar	Named control character.

Table 1-17. .NET character classes and class-like constructs

Class	Meaning
[...]	A single character listed, or contained within a listed range.
[^...]	A single character not listed, and not contained within a listed range.
.	Any character, except a line terminator (unless single-line mode, s).
\w	Word character, [\p{Ll}\p{Lu}\p{Lt}\p{Lo} \p{Nd}\p{Pc}] or [a-zA-Z_0-9] in ECMAScript mode.
\W	Nonword character, [\p{Ll}\p{Lu}\p{Lt} \p{Lo}\p{Nd}\p{Pc}], or [^a-zA-Z_0-9] in ECMAScript mode.
\d	Digit, \p{Nd}, or [0-9] in ECMAScript mode.
\D	Nondigit, \P{Nd}, or [^0-9] in ECMAScript mode.
\s	Whitespace character, [ \f\n\r\t\v\x85\p{Z}] or [ \f\n\r\t\v] in ECMAScript mode.
\S	Nonwhitespace character, [^ \f\n\r\t\v\x85 \p{Z}] or [^ \f\n\r\t\v] in ECMAScript mode.
\p{prop}	Character contained by given Unicode block or property.
\P{prop}	Character not contained ...