Unable to find patter in JS RegExp

Question

I trying to identify regular expression in JS. Expression which wrote to identify the pattern is working in Online RegEx but when i use it in my own Code it does not work. it says error .*|{1}/: Nothing to repeat

This is Expression - Examples:\n.*\|{1}

Sample Data -

Examples: |asda| asd|asd|adasda|adaasdsaasdasdsa|adsadsa|asdasdad|asdasdsd|asda |

Examples: |Word| asd|asd|W@132|iam|GOto|asdasdad|asdasdsd|asda- |