Please see the table below for some example formulas and their functions: 


FormulaFunctionWhere 
Element != 'Value'Will only trigger visibility when ‘Value’ is the input for ElementVisibility Formulas
Element1 != 'Value1' && Element2 != 'Value2' && Element3 != 'Value3'Will only trigger visibility if ANY ONE of the conditions are metVisibility Formulas
NOT(AND(Element1 == 'Value1', Element2 == 'Value2, Element3 == 'Value3'))Will only trigger visibility if ALL of the conditions are metVisibility Formulas
NOT(Element > 3 && Element <100)Will trigger visibility only if Element is greater than 3 AND less than 100Visibility Formulas
Element > 3 && Element < 100Will only accept an input larger than 3 and less than 100 where Element is referencing itselfValidation Formulas
REGEX(Element, "^[a-zA-Z0-9]*$")Will only allow letters and numbers as inputValidation Formulas
REGEX(Element, "^[a-zA-Z0-9\n]*$")Will only allow letters, numbers and new lines as inputValidation Formulas
REGEX(Element, "^[a-zA-Z0-9/ ]*$")Will only allow letters, numbers and spaces as inputValidation Formulas
REGEX(Element, "^[a-zA-Z0-9.,/-]*$")Will only allow letters, numbers and special characters '.,/-' as inputValidation Formulas
ElementWill set the default value to the value of Element. Element needs to be in a previous Section or separated by a Loop/Page BreakDefault Formulas
Element1 * Element2Will set the default value to the value of Element1 multiplied by Element2Default Formulas