PowerShell: Regular Expression Operators

String Match by Regex

-match

String matches regex pattern. Case-insensitive

"mycat.jpg" -match "\.+jpg"
# the regex must be on right side

-iMatch

Case-insensitive. Same as -Match.

-cMatch

Case-sensitive

-notMatch

Negation.

-iNotMatch

Case-insensitive. Same as -Notmatch.

-cNotMatch

Case-sensitive

String Regex Replace

-Replace

Replaces strings matching a regex pattern. Case-Insensitive.

"wonderland" -replace "wonder", "lala"
# result
# lalaland

-iReplace

Case-insensitive. Same as -Replace.

-cReplace

Case-sensitive

Escape Regex Meta Characters

[Regex]::Escape()

escape regex meta characters. Useful when a command or operator that takes regex, but you need plain text search.