Atom
A normal character, a character class, or a parenthesized regular expression.
Syntax
atom :: = Char | charClass | ('(' regExp ')')
Remarks
The following table shows valid atoms R and the description for their set of strings L(R).
| Valid atoms R for normal characters c, character classes C, and regular expressions S | Set of strings L(R) |
|---|---|
c |
The single string consisting only of normal characters. |
C |
All strings in L(C). |
(S) |
All strings in L(S). |
See Also
Reference
XML Schema Regular Expressions
XML Schema Regular Expressions Reference Chart
Character Classes
Normal Character