<div class="content-page">
    <mat-card>
        <mat-card-header>
            <mat-toolbar class="toolbar">
                <span>Uuencode Encoding</span>
                <span class="toolbar-spacer"></span>
                <mat-button-toggle-group [(ngModel)]="flagForButtonToggle" (change)="handleText()">
                    <mat-button-toggle value="ENCODE" class="toolbar-button-toggle" color="primary">
                    Encode
                    </mat-button-toggle>
                    <ma