PHP coding challenge
Matching strings using regular expressions
⨠Your Task
Return true only if string: š contains only word characters: letters (a-z, A-Z), numbers (0-9), Underscore (_) AND š is at least one character long.
āļø PHP PHP version: 8.1
š Press "Run" and check the result below.
Test cases
Should match string Hello
Should not match string Hello there
Should not match empty string
Want to try another challenge?
- JavaScript
- Python
- PHP
- SQL
PHP Fundamentals
A set of coding problems that cover the basic syntax and features of the programming language.
1. VariablesComplexity
2. ConstantsComplexity
3. FunctionsComplexity
4. OperatorsComplexity
5. Control structuresComplexity
6. ArraysComplexity
7. StringsComplexity
8. Classes and ObjectsComplexity
9. NamespacesComplexity
10. Regular expressionsComplexity
11. Error handlingComplexity
12. MathComplexity