end of day 4 week 1

week 1/day 4/exo2.ps1

@@ -0,0 +1,13 @@
+# exo 2
+# return the number of character of a string only if they're letter
+
+$text = Read-Host('please enter a phrase')
+$counter = 0
+
+foreach ($char in $text.ToCharArray()) {
+    if($char  -match '[A-Za-z]'){
+        $counter++
+    }
+}
+
+Write-Host("your string contain ${counter} character")