[Solved] Identify the error in this PowerShell regex usage:$string = 'hello123';if ($string -match '^hello\d+ | Leyaa.ai) { 'Match' } else { 'No Match' } | PowerShell

PowerShell - Regular Expressions

Identify the error in this PowerShell regex usage:

$string = 'hello123';
if ($string -match '^hello\d+$') { 'Match' } else { 'No Match' }

AThe pattern should use a single backslash: '^hello\d+$'

BThe quantifier + is invalid here

CThe pattern is correct and will match

DThe anchors ^ and $ are misplaced

Step-by-Step Solution

Solution:

Step 1: Check the regex pattern syntax
The pattern ^hello\d+$ correctly matches strings starting with 'hello' followed by one or more digits until the end.
Step 2: Verify PowerShell string escaping
In PowerShell single-quoted strings, backslash is literal, so '\d' is correct to represent digit class.
Final Answer:
The pattern is correct and will match -> Option C
Quick Check:
Pattern syntax and anchors are correct [OK]

Quick Trick: Remember PowerShell single quotes treat backslash literally [OK]

Common Mistakes:

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