Alternation and repetition

**Alternation and repetition**
Sequence	Greedy	Description
...\|...	-	Try subpatterns in alternation.
*	yes	Match 0 or more times.
+	yes	Match 1 or more times.
?	yes	Match 0 or 1 times.
{n}	no	Match exactly n times.
{n,}	yes	Match at least n times.
{n,m}	yes	Match at least n times but no more than m times.
*?	no	Match 0 or more times.
+?	no	Match 1 or more times.
??	no	Match 0 or 1 times.
{n,}?	no	Match at least n times.
{n,m}?	no	Match at least n times but no more than m times.
{MACRO}	-	Include the regex MACRO in the current regex.

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