[Solved] Identify the error in this PowerShell regex usage: $email = 'test@example.com' if ($email -match '[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2}') { 'Valid' } else { 'Invalid' } | PowerShell

PowerShell - Regular Expressions

Identify the error in this PowerShell regex usage:

$email = 'test@example.com'
if ($email -match '[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2}') { 'Valid' } else { 'Invalid' }

AMissing escape for dot before domain extension

BIncorrect character class for username

CUsing single quotes prevents regex from working

DRegex pattern is correct, no error

Step-by-Step Solution

Solution:

Step 1: Review regex pattern components
The pattern matches username with allowed chars, an @, domain name, a literal dot (escaped), and domain extension of 2+ letters.
Step 2: Check PowerShell string usage
Single quotes in PowerShell treat string literally, so \ is treated as a single backslash, correctly escaping the dot.
Final Answer:
Regex pattern is correct, no error -> Option D
Quick Check:
Proper escaping and pattern = Correct [OK]

Quick Trick: Single quotes keep regex escapes intact in PowerShell [OK]

Common Mistakes:

Master "Regular Expressions" in PowerShell

9 interactive learning modes - each teaches the same concept differently

More PowerShell Quizzes

Identify the error in this PowerShell regex usage: