| D toc |
|---|
| D s product | ||
|---|---|---|
|
Slashes
The forward slash character is used to denote the boundaries of the regular expression:
| Code Block |
|---|
/this_is_my_regular_expression/ |
- The backslash character (
\) is the escaping character. It can be used to denote an escaped character, a string, literal, or one of the set of supported special characters. - Use a double backslash (
\\) to denote an escaped string literal. For more information, see Escaping Strings in Transformations.
Supported Special RegEx Characters
The table below identifies the special characters that are supported in the platform.
| Special Characters | Description | ||
|---|---|---|---|
\\ | String literal match for \ character. | ||
| Matches any zero-width word boundary, such as between a letter and a space. Example: | ||
\B | Matches any zero-width non-word boundary, such as between two letters or two spaces. Example: | ||
\cX | Matches a control character (CTRL + A-Z), where X is the corresponding letter in the alphabet. | ||
\d | Matches any digit. | ||
\D | Matches any non-digit. | ||
\f | Matches a form feed. | ||
\n | Matches a line feed.
| ||
\r | Matches a carriage return. | ||
\s | Matches any whitespace character. These characters include:
| ||
\S | Matches any character that is not one of the supported whitespace characters. | ||
\t | Matches a horizontal tab.
| ||
\v | Matches a vertical tab. | ||
\w | Matches any alphanumeric value, including the underscore.
| ||
\W | Matches any non-alphanumeric character, including the underscore. | ||
\xHH | Matches the ASCII character code as expressed by the hexadecimal value HH. | ||
\uHHHH | Matches the Unicode character code as expressed by the hexadecimal value HHHH . |
Required Escaped Characters
The following characters have special meaning within a regular expression.
| Code Block |
|---|
. ^ $ * + - ? ( ) [ ] { } \ | — / |
To reference the literal character, you must escape it within the regular expression, as in:
| Code Block |
|---|
/\./ |
| D s also | ||||
|---|---|---|---|---|
|
