[Solved] Given a file 'data.txt' with the following lines:apple banana apricot blueberry avocadoWhat will the command Select-String -Pattern '^a' -Path 'data.txt' output? | PowerShell

PowerShell - Regular Expressions

Given a file 'data.txt' with the following lines:

apple
banana
apricot
blueberry
avocado

What will the command Select-String -Pattern '^a' -Path 'data.txt' output?

ALines containing 'a' anywhere: apple, banana, apricot, avocado

BLines ending with 'a': banana

CLines starting with 'a': apple, apricot, avocado

DNo output because '^a' is invalid regex

Step-by-Step Solution

Solution:

Step 1: Understand the regex '^a'
The caret '^' means start of line, so '^a' matches lines starting with 'a'.
Step 2: Apply regex to file lines
Lines starting with 'a' are 'apple', 'apricot', and 'avocado'.
Final Answer:
Lines starting with 'a': apple, apricot, avocado -> Option C
Quick Check:
Regex '^a' matches line start with 'a' [OK]

Quick Trick: ^ means line start in regex, so matches lines starting with 'a' [OK]

Common Mistakes:

Master "Regular Expressions" in PowerShell

9 interactive learning modes - each teaches the same concept differently

More PowerShell Quizzes

Given a file 'data.txt' with the following lines: