Question IsTag() problem

I wanted to prevent my character from moving until a combat animation finished playing, therefore, to do so, I tried using IsTag to know whether or not the combat animation was playing. However, using Debug.Log, IsTag always returns false no matter what I try.

playerAnim.SetTrigger("LightAttack");
StartCoroutine(WaitForAnimation(playerAnim.GetCurrentAnimatorStateInfo(0)));

IEnumerator WaitForAnimation(AnimatorStateInfo stateInfo)
{
while (stateInfo.IsTag("Combat")==true)
{
playerRB.velocity = Vector2.zero;
canMove = false;
}
yield return canMove=true;
}

 

Never Mind, I managed to find a way to reach my goal by using this extract of code and a list containing all of the names of my animation states. PS Check is located in the Update function

void Check()
{
if (playerAnim.GetCurrentAnimatorStateInfo(0).IsName(L[0]) == true || playerAnim.GetCurrentAnimatorStateInfo(0).IsName(L[1]) == true || playerAnim.GetCurrentAnimatorStateInfo(0).IsName(L[2]) == true || playerAnim.GetCurrentAnimatorStateInfo(0).IsName(L[3]) == true || playerAnim.GetCurrentAnimatorStateInfo(0).IsName(L[4]) == true || playerAnim.GetCurrentAnimatorStateInfo(0).IsName(L[5]) == true)
{
canMove = false;
}
else
{
canMove = true;
}
}