isMathExpression property
      
      bool
      get
      isMathExpression
      
    
    
    
Implementation
bool get isMathExpression {
  return contains(' + ') || contains(' - ') || contains(' * ') || contains(' / ');
}bool get isMathExpression {
  return contains(' + ') || contains(' - ') || contains(' * ') || contains(' / ');
}