config-prettyfaces/src/main/java/com/ocpsoft/pretty/faces/el/Expressions.java
public static boolean isEL(final String value)
   {
      if (value == null)
      {
         return false;
      }
      return elPattern.matcher(value).matches();
   }
public static boolean isEL(final String value)
   {
      if (value == null)
      {
         return false;
      }
      return elPattern.matcher(value).matches();
   }
public static boolean isEL ( final String value ) { if ( value == null ) { return false ; } return elPattern . matcher ( value ) . matches ( ) ; }
Return true if the value is an EL expression.
Return true if the value is an EL expression .