==

Articles

• The "!" operator

  Conditional criteria of simple negation, when operating on fields that are external to the table (fields accessed by a join to another table), (...)

• The == operator

  The == operator (or its inverse !==) is used for making record selections based on regular expressions. They can therefore enable extremely (...)

• Radio and checkbox fields

  To display element lists of radio or checkbox controls, the syntax provided for wrapping the elements uses a . This formatting makes it possible (...)

• Comparison filters

  Just like the criteria used for loops, comparison filters can also be applied to tags with the following "pipe" syntax: [(#TAG|operatorvalue)] (...)