* | Matches the previous element zero or more times. |
+ | Matches the previous element one or more times. |
? | Matches the previous element zero or one time. |
{n} | Matches the previous element exactly n times. |
{n,} | Matches the previous element at least n times. |
{n,m} | Matches the previous element at least n times, but no more than m times. |
*? | Matches the previous element zero or more times, but as few times as possible. |
+? | Matches the previous element one or more times, but as few times as possible. |
?? | Matches the previous element zero or one time, but as few times as possible. |
{n}? | Matches the preceding element exactly n times. |
{n,}? | Matches the previous element at least n times, but as few times as possible. |
{n,m}? | Matches the previous element between n and m times, but as few times as possible. |