* |
Matches zero or more occurrences of the preceding
pattern. |
+ |
Matches one or more occurrences of the preceding
pattern. |
? |
Matches zero or one occurrences of the preceding
pattern. |
{n} |
Matches exactly n occurrences of the preceding
pattern. |
{n,} |
Matches at least n occurrences of the preceding
pattern. |
{n,m} |
Matches between n and m (inclusive)
occurrences of the preceding pattern. |