What is logic match tag?
Logic match tag is an evaluator which checks the nested body content of tag whether the specified value is an appropriate substring of the requested variable. Matches the variable specified by one of the selector attributes against the specified constant value. If the value is a substring the nested body content of this tag is evaluated.
Or in other words are used to control the generation of page output by allowing conditions to be tested, loops to be set up and application flow to be directed to other pages. A comparison will often involve a bean created with one of the bean tags.
For Example: <logic: match header="User-Agent" value="Mozilla"> Hi Mozilla browser </logic: match>
