Data commit

Task/Tokenize-a-string-with-escaping/PowerShell/tokenize-a-string-with-escaping-1.psh

@@ -0,0 +1,29 @@
+function Split-String ([string]$String, [char]$Separator, [char]$Escape)
+{
+    if ($String -notmatch "\$Separator|\$Escape") {return $String}
+
+    [bool]$escaping = $false
+    [string]$output = ""
+
+    for ($i = 0; $i -lt $String.Length; $i++)
+    {
+        [char]$character = $String.Substring($i,1)
+
+        if ($escaping)
+        {
+            $output += $character
+            $escaping = $false
+        }
+        else
+        {
+            switch ($character)
+            {
+                {$_ -eq $Separator} {$output; $output = ""; break}
+                {$_ -eq $Escape}    {$escaping = $true    ; break}
+                Default             {$output += $character}
+            }
+        }
+    }
+
+    if ($String[-1] -eq $Separator) {[String]::Empty}
+}

Task/Tokenize-a-string-with-escaping/PowerShell/tokenize-a-string-with-escaping-2.psh

@@ -0,0 +1,3 @@
+Split-String "one^|uno||three^^^^|four^^^|^cuatro|" -Separator "|" -Escape "^" | ForEach-Object `
+                                                                                        -Begin   {$n = 0} `
+                                                                                        -Process {$n+= 1; "{0}: {1}" -f $n, $_}