Regular Expressions 101

Non-Capturing Group(?:\[[^\]]+\]\s*)*

*repeats the group contents below any number of times:

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Negated Character Class[^\]]+

+matches at least one character outside the set below:

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\s*any whitespace character, repeated any number of times

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

\w+any word character, repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?:\[[^\]]+\]\s*)*\$\w+

New

[CmdletBinding()]
Param([Parameter(Mandatory=$True,Position=1)][string]$computerName,[Parameter(Mandatory=$True)][string]$filePath)