EVS IP2Archive Deep Archive Manager Version 3.0 - October 2012 User Manual User Manual
Page 101
Metacharacter Syntax
Operator Name
Description
.
Any Character -- Dot
Matches any character.
+
One or More -- Plus
Quantifier
Matches one or more
occurrences of the
preceding subexpression.
?
Zero or One -- Question
Mark Quantifier
Matches zero or one
occurrence of the preceding
subexpression.
*
Zero or More -- Star
Quantifier
Matches zero or more
occurrences of the
preceding subexpression.
{m}
Interval--Exact Count
Matches exactly
m
occurrences of the
preceding subexpression.
{m,}
Interval--At Least Count
Matches at least m
occurrences of the
preceding subexpression.
{m,n}
Interval--Between Count
Matches at least m, but not
more than n occurrences of
the preceding
subexpression.
[ ... ]
Matching Character List
Matches any character in
list ...
[^ ... ]
Non-Matching Character
List
Matches any character not
in list ...
|
Or
'a|b' matches character 'a' or
'b'.
( ... )
Subexpression or Grouping
Treat expression ... as a
unit. The subexpression can
be a string of literals or a
complex expression
containing operators.
\n
Backreference
Matches the nth preceding
subexpression, where n is
an integer from 1 to 9.
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6. Configuring the Application
EVS Broadcast Equipment S.A. - October 2012
Issue 3.0.D