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System Rules are pre-defined rules provided by App Vendorapp vendor.
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Each rule is represented by a expressed in Regular Expression.
App Administrators can set whether or not to enable each rule.
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Custom Rules are user-defined rules that App Administrators can define by themselves.
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App Administrators can add Custom Rule through the '+' button.
Name: Name of Custorm Rule
Description: Description of Custom Rule
Pattern(RegEx): Regular Expression of Custom Rule
Enter Regular Expression except for the front and back delimiter, slash('/').
You can check if Regular Expression entered is grammatically correct through the "Check" button.
Use the "Test" button to see if the string you enter matches Regular Expression.
Use: Sets whether the rule is enabled.
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Also, App Administrators can edit, delete Custom Rule through the button in ‘Action’‘Actions’.