How can you search for the word 'Warning' in a file ignoring case sensitivity and output only the line numbers where it appears?

hard📝 Application Q9 of 15

PowerShell - String Operations

ASelect-String -Pattern 'Warning' -Path 'log.txt' -CaseSensitive | Select-Object LineNumber

BSelect-String -Pattern 'Warning' -Path 'log.txt' -IgnoreCase | Select-Object LineNumber

CSelect-String -Pattern 'Warning' -Path 'log.txt' | Select-Object LineNumber

DSelect-String -Pattern 'Warning' -Path 'log.txt' -CaseSensitive:$false | Select-Object LineNumber

Step-by-Step Solution

Solution:

Step 1: Identify default behavior
Select-String performs case-insensitive matching by default.
Step 2: Select only line numbers
Piping to Select-Object LineNumber outputs just the line numbers.
Final Answer:
Select-String -Pattern 'Warning' -Path 'log.txt' | Select-Object LineNumber -> Option C
Quick Check:
Default case-insensitive [OK]

Quick Trick: Select-String ignores case by default [OK]

Common Mistakes:

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