Searching a string in another string

 String string = "Madam, I am Adam";
  
   // Starts with
   boolean  b = string.startsWith("Mad");  // true
  
   // Ends with
   b = string.endsWith("dam");             // true
  
   // Anywhere
   b = string.indexOf("I am") > 0;         // true
  
   // To ignore case, regular expressions must be used
  
   // Starts with
   b = string.matches("(?i)mad.*");
  
   // Ends with
   b = string.matches("(?i).*adam");
  
   // Anywhere
   b = string.matches("(?i).*i am.*");