Copia script:

<form action="{ { asset('manager-company-edit') } }" method="post" class="needs-validation error" novalidate>
		<div class="form-group row">
			<label for="exampleInputuname3" class="col-sm-3 control-label text-right">Username*</label>
			<div class="col-sm-9">
				<div class="input-group">
					<div class="input-group-prepend">
						<span class="input-group-text" id="basic-addon1">
							<i class="ti-user"></i>
						</span>
					</div>
					<input type="text" class="form-control" id="exampleInputuname3" placeholder="Username"  required="" data-validation-required-message="This field is required" min="10" aria-invalid="true" >
				</div>
			</div>
		</div>

<input type="hidden" name="_token" value="{ { csrf_token() } }">
		<input type="hidden" name="idComp" id="idComp" value="">
		<hr>
		<div class="row p-t-20">
			<div class="col-md-8"></div>
			<div class="col-md-4">
				<div class="btn-group btn-group " role="group" aria-label="Basic example">
					<button type="submit" class="btn waves-effect waves-light btn-primary">	   <i class="ti-save"></i> salvar    </button>
					<a href="{{asset('manager-company')}}" class="btn waves-effect waves-light btn-secondary" data-dismiss="modal" aria-hidden="true"> <i class="fa fa-chevron-left"></i> Voltar</a>
				</div>
			</div>
		</div>
	</form>

FORMULARIO: validation