Single Character Escape
Identifies a set containing only one character, usually because that character is difficult or impossible to write directly into a regular expression.
Syntax
SingleCharEsc ::= '\' [nrt\|.?*+(){} #x2Dx5B#X5D#x5E]
The following table shows valid single character escapes and their descriptions.
Valid single character escapes | Set of characters C(R) |
---|---|
\n | The new line character (#xA). |
\r | The return character (#xD). |
\t | The tab character (#x9). |
\\ | \ |
\| | | |
\. | . |
\- | - |
\^ | ^ |
\? | ? |
\* | * |
\+ | + |
\{ | { |
\} | } |
\( | ( |
\) | ) |
\{ | { |
\} | } |
\[ | [ |
\] | ] |
See Also
XML Schema Regular Expressions | XML Schema Regular Expressions Reference Chart | Data Type Facets