PowerShell - Regular Expressions
How can you use regex in PowerShell to replace all sequences of whitespace with a single space in a string?
How can you use regex in PowerShell to replace all sequences of whitespace with a single space in a string?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the correct operator for replacement
PowerShell uses '-replace' to substitute regex matches with new text.Step 2: Confirm regex pattern and replacement
'\s+' matches one or more whitespace; replacing with single space achieves the goal.Final Answer:
$text -replace '\s+', ' ' -> Option BQuick Check:
Use -replace for regex substitutions [OK]
Quick Trick: Use -replace with '\s+' to normalize whitespace [OK]
Common Mistakes:
- Using -match or -like for replacements
- Confusing -contains with regex operators
- Not using quantifier '+' for multiple spaces
Master "Regular Expressions" in PowerShell
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