What happens if the value on the left side of the null coalescing operator is not null?
Tuesday, 08 August 2023
by EITCA Academy
The null coalescing operator (??) in PHP is used to assign a default value to a variable if the value on the left side of the operator is null. However, if the value on the left side is not null, the operator does not have any effect on the variable. When the value on the
How can regular expressions be combined using operators to create more complex expressions?
Wednesday, 02 August 2023
by EITCA Academy
Regular expressions are a powerful tool in the field of cybersecurity for pattern matching and searching in text. They allow us to define complex patterns using a combination of operators. By combining regular expressions with operators, we can create more sophisticated expressions that can match a wide range of patterns. One of the most basic
- Published in Cybersecurity, EITC/IS/CCTF Computational Complexity Theory Fundamentals, Regular Languages, Regular Expressions, Examination review
Tagged under:
Alternation, Concatenation, Cybersecurity, Grouping, Kleene Plus, Kleene Star, Operators, Pattern Matching, Question Mark, Regular Expressions