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Matthieu Sanchez
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Choose the wrong statement :

IT Architect
OOP
inheritance
polymorphism
casting
Matthieu Sanchezat Feb 2, 2026
Medium
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Count the number of matches of the RegEx `a*` in the sentence: `I went to my grandparent house`

Back-end developer
RegEx
string
Matthieu Sanchezat Feb 2, 2026
Medium
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Write a regular expression to match 'i{,4}' in a string

Back-end developer
RegEx
pattern
Matthieu Sanchezat Feb 2, 2026