Posted by dandriff on Saturday April 28, 2007@09:51AM
Quantifier Description
* matches 0 or more of the preceding characters, ranges or
metacharacters .* matches everything including empty line
\+ matches 1 or more of the preceding characters...
\= matches 0 or 1 more of the preceding characters...
\{n,m} matches from n to m of the preceding characters...
\{n} matches exactly n times of the preceding characters...
\{,m} matches at most m (from 0 to m) of the preceding characters...
\{n,} matches at least n of of the preceding characters...
where n and m are positive integers (>0)