From 55ece7815a8718507ef096db53a1e186102f1c8a Mon Sep 17 00:00:00 2001
From: David Schmitt <david.schmitt@puppetlabs.com>
Date: Thu, 17 Sep 2015 18:48:32 +0100
Subject: (MAINT) validate_re: Clarify docs and error message

---
 README.markdown | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'README.markdown')

diff --git a/README.markdown b/README.markdown
index 8dd57f1..1cf7b32 100644
--- a/README.markdown
+++ b/README.markdown
@@ -1054,6 +1054,13 @@ test, and the second argument should be a stringified regular expression (withou
   validate_re($::puppetversion, '^2.7', 'The $puppetversion fact value does not match 2.7')
   ~~~
 
+  Note: Compilation will also abort, if the first argument is not a String. Always use
+  quotes to force stringification:
+
+  ~~~
+  validate_re("${::operatingsystemmajrelease}", '^[57]$')
+  ~~~
+
 *Type*: statement.
 
 #### `validate_slength`
-- 
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