Can the character groups section include a note that if you want to match a hyphen ('-'), that it must be included first or last in the group? Otherwise it is treated as a range and is not matched.

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• ID: 5a1473a9-d19e-26f6-6a90-13d802f0ed35
• Version Independent ID: ac918b8d-aece-5c59-2a88-64c1a91ff5f5
• Content: about_Regular_Expressions
• Content Source: reference/6/Microsoft.PowerShell.Core/About/about_Regular_Expressions.md
• Product: powershell
• Technology: powershell-cmdlets
• GitHub Login: @SteveL-MSFT
• Microsoft Alias: slee