If I match some but not all of the symptoms of PTSD, does that mean I have it?

I have noticed I match a few and is it possible to match some but not all and still have that specific problem? Cause I have irritability, hypervigilance, social isolation, some anxiety, mistrust, loss of interest or pleasure in activities, loneliness, some insomnia, emotional detachment and unwanted thoughts, I gotta have all the symptoms to have it right?

Cause I don't feel or react crazy or like I've seen people act online.
If I match some but not all of the symptoms of PTSD, does that mean I have it?
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