Search Rule And Regular Expressions: Reference; Table 8-6 Special Characters Available For A Search Rule - Honeywell rapid eye System Administrator Manual

Search Rule and Regular Expressions: Reference

Table 8–6
Technical users who know how to use a regular expression (RE) will benefit most from using table
8–6. Also, there are examples of extended data searches in the Remote View Operator Guide.
Table 8–6 Special Characters Available for a Search Rule
Character
.
[ ]
^
$
-
+
*
?
\
Document 800-02325 Rev A
07/08
lists the special characters available for use when making rules in the Rule box.
Name Searches for a Match of (...) Within the Rule
Period Any one character.
Ex: .ire finds "wire", "tire", "4ire", and so on.
Square Each character in the brackets, in turn.
brackets Ex: c[aou]t finds "cat", "cot" or "cut".
Caret (a) Characters that are not in brackets.
Ex: r[^a] finds "rb", "rc", "rA", "r1" and so on.
(b) A rule at the beginning of a line.
Ex: ^Hume finds "Hume" at the start of lines.
(c) A control code, when used with a backslash.
Ex. \^C finds the "control-C" control code.
Dollar sign A rule at the end of a line, when placed after it.
Ex: Kant$ finds only "Kant" at the end of lines.
Dash A range of characters set in square brackets.
Ex: [a-z] matches any lower case letter.
Plus sign The character that it follows, once or more.
Ex: tu+ finds "tu", "tuu", "tuuu", and so on.
Asterisk The character that it follows, whether absent, occurring once or
more.
Ex: mo*e finds "me", "moe", "mooe", "moooe", ...
Ex: c[au]*t finds "ct", "cat", "caat", "cut", "cuut", ...
Question The character that follows the question mark, whether absent or
mark occurring once.
Ex: me?y matches either "mey" or "me".
Backslash (a) Special character, when placed before it.
Ex: \? Finds "?";
(b) Control character, when placed before it.
Ex: \b finds a backspace, \e an Esc (escape), \f a form feed, \n a
new line, \r a carriage return, \t a tab and \x0D a hexadecimal
encoded ASCII character.
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