I saw a thin, white, string-like thing on my underwear. It was not moving. It resembles a pinworm, but it was found on my underwear, not in my stool. Could it be

Pinworm Infections (for Parents)

White worms (possibly maggots) are in my bed, under the bottom

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Pinworms - Symptoms, Causes, Diagnosis & Treatment

How common are pinworms or other worms in humans? - Quora

Where do pinworms come from? - Quora

How to know if I have pinworms - Quora

What if there is jelly-like discharge in stools? Is it Ulcerative Colitis?

How to know if I have pinworms - Quora

Normal Vaginal Discharge vs. Abnormal Discharge: What's the Difference?

White Specks In Dog Poop - Dogs Naturally

Is it possible for a worm to come out of the anus? - Quora

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Small White Worms In or Under Clothes

I have brown stuff in my underwear and it's not poop, what is it