PHP coding challenge

Matching strings using regular expressions

āœØ Your Task

Return true only if string: šŸ‘‰ contains only word characters: letters (a-z, A-Z), numbers (0-9), Underscore (_) AND šŸ‘‰ is at least one character long.

āœļø PHP PHP version: 8.1
šŸ‘‰ Press "Run" and check the result below.
Test cases
Should match string Hello
Should not match string Hello there
Should not match empty string