How would you modify this switch statement to match strings that start with 'error' or 'warn' using regex, and print 'Alert' for both?

hard📝 Application Q9 of 15

PowerShell - Control Flow

How would you modify this switch statement to match strings that start with 'error' or 'warn' using regex, and print 'Alert' for both?

switch -Regex ($messages) {
  '^error' { 'Error found' }
  '^warn' { 'Warning found' }
  default { 'No alert' }
}

ACombine patterns using alternation: '^error|^warn' { 'Alert' }

BUse wildcard: 'error*' and 'warn*' with -Wildcard

CUse separate cases with same output as is

DReplace default with '^alert' pattern

Step-by-Step Solution

Solution:

Step 1: Understand regex alternation
Using '^error|^warn' matches strings starting with either 'error' or 'warn'.
Step 2: Simplify switch cases
Combining into one case reduces repetition and prints 'Alert' for both patterns.
Final Answer:
Combine patterns using alternation: '^error|^warn' { 'Alert' } -> Option A
Quick Check:
Regex alternation '|' combines patterns [OK]

Quick Trick: Use | in regex to combine multiple patterns [OK]

Common Mistakes:

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