powershell: how to escape all regex characters from a string

Question

I am wondering if there is a better way to escape regex characters in powershell, I know C# has Regex.Escape, but I'm not sure if powershell has its own method...

This is what I am doing at the moment:

$escapedStr = $regexStr -replace "\+","\+" -replace "\[","\[" -replace "\]","\]" -replace "\(","\(" -replace "\)","\)"

Am I missing that the above is swapping same for same?

user66001
– user66001

2024-07-09 14:49:38 +00:00
Commented Jul 9, 2024 at 14:49 — user66001
– user66001, Commented Jul 9, 2024 at 14:49

Joey · Accepted Answer · 2016-02-29 17:36:07Z

51

PowerShell can call the exact same method:

[Regex]::Escape($regexStr)

But you could even improve your replacement by using just a single regex replace:

$regexStr -replace '[[+*?()\\.]','\$&'

However, I probably still missed a few metacharacters from that character class, so just use the [regex]::Escape method.

edited Feb 29, 2016 at 17:36

answered May 14, 2014 at 10:22

Joey

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