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Regular Expression Pocket Reference, 2nd Edition
book

Regular Expression Pocket Reference, 2nd Edition

by Tony Stubblebine
July 2007
Intermediate to advanced content levelIntermediate to advanced
128 pages
2h 39m
English
O'Reilly Media, Inc.
Content preview from 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 by ...

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Publisher Resources

ISBN: 9780596514273Errata Page