CODEWITHSUNDEEP
regexpowershellini
Rob Peterson
Rob Peterson

Reputation: 39

How do I match ini file keys that may not contain an equal sign?

I am using the following Powershell code (modified version of https://gallery.technet.microsoft.com/scriptcenter/ea40c1ef-c856-434b-b8fb-ebd7a76e8d91) to parse an ini file:

$ini = @{} 
$lastSection = "" 
    switch -regex -file $FilePath  
    {  
        "^\[(.+)\]$" # Section  
        {  
            $section = $matches[1]  
            $ini[$section] = @{}  
            $CommentCount = 0  
            $lastSection = $section
            Continue
        }  
        "^(;.*)$" # Comment  
        {  
            $section = "Comments"
            if ($ini[$section] -eq $null)
            {
                $ini[$section] = @{}
            } 
            $value = $matches[1]  
            $CommentCount = $CommentCount + 1  
            $name = "Comment" + $CommentCount  
            $ini[$section][$name] = $value
            $section = $lastSection 
            Continue
        }   
        "(.+?)\s*=\s*(.*)" # Key  
        {  
            if (!($section))  
            {  
                $section = "No-Section"  
                $ini[$section] = @{}  
            }  
            $name,$value = $matches[1..2]  
            $ini[$section][$name] = $value  
            Continue
        }  
        "([A-Z])\w+\s+" # Key  
        {  
            if (!($section))  
            {  
                $section = "No-Section"  
                $ini[$section] = @{}  
            }  
            $value = $matches[1]  
            $ini[$section][$value] = $value  
        }
    }

Ini files that I deal with can contain keys that have an equal sign, and some that do not. For example:

[Cipher]
OpenSSL

[SSL]
CertFile=file.crt

The switch statement correctly matches the CertFile=file.crt line and I was hoping that the last "([A-Z])\w+\s+" condition would catch the OpenSSL line. However it does not, and I have not been able to figure out what regex I can use to catch those lines where the key does not contain an equal sign.

Upvotes: 1

Views: 655

Answers (1)

Kind Stranger
Kind Stranger

Reputation: 1761

The problem is that you're trying to match at least one whitespace character with \s+

You could use part of the regex you already have for matching the lines with =.

"(.+?)\s*"

Consider anchoring your strings too in order the match the full line so it becomes 

"^(.+?)\s*$"

Upvotes: 1

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