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  2. Regex
  3. Assertions
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Negative Lookahead

Hacker
Rank
Score
oggnj3n
01
flag of Serbia
20.00
nathantaylor_si1
01
flag of United States
20.00
hinguparth23
01
flag of United States
20.00
yorkyong_yeo
01
flag of Singapore
20.00
shubhamkarjee872
01
flag of India
20.00
0m___1908
01
flag of India
20.00
sonivivek5041
01
flag of India
20.00
10ishitaagrawal
01
flag of India
20.00
shanildanshah
01
flag of India
20.00
charlenexlb
01
flag of Netherlands
20.00
hariRoCk
01
flag of India
20.00
shreya_nimbhork1
01
flag of India
20.00
yvonnesunny
01
flag of China
20.00
tianyujia_ou
01
flag of Hong Kong
20.00
daniel_feldman31
01
flag of Israel
20.00
sudarshannagesh1
01
flag of India
20.00
pascal_dev
01
flag of France
20.00
tungnbhla
01
flag of Vietnam
20.00
uka412345
01
flag of Indonesia
20.00
michal_dziadkow1
01
flag of Ireland
20.00
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