<matches value="True" pattern="true"/> 

true 

<matches value="True" pattern="t*"/> 

true 

<matches value="blue" pattern="*u"/> 

false 

<matches value="True" pattern="t?ue"/> 

true 

<matches value="Tue" pattern="t?ue"/> 

false 

<matches value="True" pattern="t*" exact="true"/> 

false 

<matches value=":[var1]" pattern=":[var2]"/> 

true if the value of var1 matches the pattern of var2.