Which command correctly replaces all digits in the string 'user456' with the character '*' using -replace?

easy📝 Syntax Q3 of 15

PowerShell - Regular Expressions

Which command correctly replaces all digits in the string 'user456' with the character '*' using -replace?

A'user456' -replace '[a-z]', '*'

B'user456' -replace '\d', '*'

C'user456' -replace '\D', '*'

D'user456' -replace '*', '\d'

Step-by-Step Solution

Solution:

Step 1: Identify pattern for digits
The regex pattern \d matches digits.
Step 2: Check replacement
Replacing digits with '*' is done by -replace '\d', '*'.
Step 3: Validate other options
'user456' -replace '[a-z]', '*' replaces letters, C replaces non-digits, D has invalid syntax.
Final Answer:
'user456' -replace '\d', '*' -> Option B
Quick Check:
Does the pattern match digits? [OK]

Quick Trick: Use '\d' to match digits in -replace [OK]

Common Mistakes:

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