Regular expression reference

Regular expression reference

Wwise uses the ECMAScript regex style detailed in the following tables.

Anchors
^	Start of string, or start of line in multi-line pattern
$	End of string, or end of line in multi-line pattern
\b	Word boundary
\B	Not word boundary

Character Classes
\s	White space
\S	Not white space
\d	Digit
\D	Not digit
\w	Word
\W	Not Word
\x	Hexadecimal digit Used for matching hex code characters, such as: "\xA9", as in "0xA9", for the copyright symbol "\x5B", as in "0x5B", for the open square bracket

Quantifiers
*	White space
+	Not white space
?	Digit
{3}	Exactly 3
{3,}	3 or more
{3,5}	3, 4, or 5

Escape Sequences
\	Escape following character ^ [ . $ { * ( \ + ) \| ? < >

Special Characters
\n	New line
\r	Carriage return
\t	Tab

Groups and Ranges
.	Any character except new line (\n)
\r	Carriage return
(a\|b)	a or b
(...)	Group
(?:...)	Passive (non-capturing) group
[abc]	Range (a or b or c)
[^abc]	Not (a or b or c)
[a-q]	Lower case letter from a to q
[A-Q]	Upper case letter from A to Q
[0-7]	Digit from 0 to 7

String Replacement
$n	nth non-passive group
$2	"xyz" in /^(abc(xyz))$/
$1	"xyz" in /^(?:abc)(xyz)$/
$`	Before matched string
$'	After matched string
$+	Last matched string
$&	Entire matched string

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