private void btnCheckAccessory_Click(object sender, EventArgs e)
{
if (finiteStateMachine == null)
{
MessageBox.Show("Build automata at first!");
}
else
{
bool isGrammarContainsChain = finiteStateMachine.CheckAccessory(tbInputString.Text);
if (isGrammarContainsChain)
{
lblAnswer.Text = "String is derivable from regular expression";
lblAnswer.ForeColor = System.Drawing.Color.Green;
lblAnswer.Visible = true;
}
else
{
lblAnswer.Text = "String is NOT derivable from regular expresison";
lblAnswer.ForeColor = System.Drawing.Color.Red;
lblAnswer.Visible = true;
}
}
}
