Quantifier
One of the following characters or strings: ?, *, +, {n,m}, or {n,}. For more information about these characters or strings, see Piece.
Syntax
quantifier :: = [?*+] | ('{'quantity'}')
Syntax
quantity :: = quantRange | quantMin | QuantExact
Syntax
quantRange :: = QuantExact ',' QuantExact
Syntax
quantMin :: = QuantExact ','
Syntax
QuantExact :: = [0-9]+
Example
The following are examples of allowed data for regex.
| Regex | Allowed data |
|---|---|
a * x |
x, ax, aax, aaax... |
a ? x |
ax, x |
a + x |
ax, aax, aaax... |
(a | b) + x |
ax, bx, aax, abx, bax, bbx, aaax, aabx, abax, abbx, baax, babx, bbax, bbbx, aaaax... |
See Also
Reference
XML Schema Regular Expressions
XML Schema Regular Expressions Reference Chart
Piece