Data Validation PowerFx Code Using Regex Expression!

If( //Conditional Statement
 CountIf( //If Statement
 Split( //Split each string into substrings
 AddressTxt.Value, //TextInputControl
 "" //Splitting value
 ),
 Not( //Condition Expression
 IsMatch( //Match Function
 Value, //Condition Value
 "([A-Za-z0-9])" //RegexExpression 
 )
 )
 ) > 0, //Condition
 "Wrong Character in-text" //DisplayText
)