Impath Networks i-Volution iN7000 Pro, Руководство пользователя

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Alarm Popup
Figure 5-68: Alarm Popup Event Handler
This module raises a pop up video window when selected events occur. You can use regular expression
pattern in defining “tags of interest”. Regular expression is a very powerful tool to express text pattern. For
a detail tutorial you can search the Web. Here we show only the common and simplest operations:
- “.” : represent any single character.
- “.*”: represent a string of zero or more characters.
- “^” and “$”: indicate there should be no extra character before or after the patterns.
- “\”: represent an escape character. You can use escape characters to tell the search engine to treat ex-
pression operators and this escape character as regular characters.
Here are some examples:
- “^ABC$”: represent a string of exactly “ABC”.
- “^refund.*”: represent a string start with “refund” and flowed by any number of characters.
- “\$.*.,...\..*”: represent a string that contains a ‘$’ following by any number of characters and then a ‘,’
and any 3 characters and then a ‘.’ and then any number of characters. This pattern can search money
amount greater than $999.
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iN7000 User Guide