Create is_uuid.lua

Add a new lua function to determine if a string is a uuid.
2016-07-23 13:40:57 -06:00
parent d46a9005d7
commit b236a737bf
1 changed files with 13 additions and 0 deletions
@@ -0,0 +1,13 @@
+function is_uuid(s)
+  if (string.len(s) == 36) then
+    local x = "%x";
+    local t = { x:rep(8), x:rep(4), x:rep(4), x:rep(4), x:rep(12) }
+    local pattern = table.concat(t, '%-');
+    result = s:match(pattern);
+  end
+  if (result == nil) then
+    return false;
+  else
+    return true;
+  end
+end