Learning About Atoms
An atom followed by a bound that contains one integer i and no comma matches a sequence of
exactly i matches of the atom. An atom followed by a bound that contains one integer i and a
comma matches a sequence of i or more matches of the atom. An atom followed by a bound
containing two integers i and j matches a sequence of i through j (inclusive) matches of the atom.
An atom can consist of any of the following:
l
A regular expression enclosed in parentheses, which matches a match for the regular
expression.
l
An empty set of parentheses, which matches the null string.
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A bracket expression.
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A period (.), which matches any single character.
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A carat (^), which matches the null string at the beginning of a line.
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A dollar sign ($), which matches the null string at the end of a line.
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A backslash (\) followed by one of the following characters: ^.[$()|*+?{\, which matches
that character taken as an ordinary character.
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A backslash (\) followed by any other character, which matches that character taken as an
ordinary character (as if the \ had not been present).
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A single character with no other significance, which simply matches that character.
Note
that regular expressions are case-insensitive.
l
An open brace ({) followed by a character other than a digit is an ordinary character, not
the beginning of a bound. It is illegal to end a real expression with a backslash (\).
Copyright © 2014 Coyote Point Systems, A Subsidiary of Fortinet, Inc.
All Rights Reserved.
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Equalizer Administration Guide
Summary of Contents for Equalizer GX Series
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