diff --git a/reference/strings/functions/str-decrement.xml b/reference/strings/functions/str-decrement.xml
new file mode 100644
index 000000000000..07933ae75c3d
--- /dev/null
+++ b/reference/strings/functions/str-decrement.xml
@@ -0,0 +1,136 @@
+
+
+
+ str_decrement
+ Decrement an alphanumeric string
+
+
+
+ &reftitle.description;
+
+ stringstr_decrement
+ stringstring
+
+
+ Returns the decremented alphanumeric ASCII
+ string.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ string
+
+
+ The input string.
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the decremented alphanumeric ASCII string.
+
+
+
+
+ &reftitle.errors;
+
+ A ValueError is thrown if
+ string is empty.
+
+
+ A ValueError is thrown if
+ string is not an alphanumeric
+ ASCII string.
+
+
+ A ValueError is thrown if
+ string cannot be decremented.
+ For example, "A" or "0".
+
+
+
+
+ &reftitle.examples;
+
+
+ Basic <function>str_decrement</function> example
+
+
+]]>
+
+ &example.outputs;
+
+
+
+
+
+
+
+ <function>str_decrement</function> example with a carry
+
+
+]]>
+
+ &example.outputs;
+
+
+
+
+
+
+
+
+ &reftitle.seealso;
+
+
+ str_increment
+
+
+
+
+
+
diff --git a/reference/strings/functions/str-increment.xml b/reference/strings/functions/str-increment.xml
new file mode 100644
index 000000000000..af5049302f12
--- /dev/null
+++ b/reference/strings/functions/str-increment.xml
@@ -0,0 +1,131 @@
+
+
+
+ str_increment
+ Increment an alphanumeric string
+
+
+
+ &reftitle.description;
+
+ stringstr_increment
+ stringstring
+
+
+ Returns the incremented alphanumeric ASCII
+ string.
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ string
+
+
+ The input string.
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns the incremented alphanumeric ASCII string.
+
+
+
+
+ &reftitle.errors;
+
+ A ValueError is thrown if
+ string is empty.
+
+
+ A ValueError is thrown if
+ string is not an alphanumeric
+ ASCII string.
+
+
+
+
+ &reftitle.examples;
+
+
+ Basic <function>str_increment</function> example
+
+
+]]>
+
+ &example.outputs;
+
+
+
+
+
+
+
+ <function>str_increment</function> example with a carry
+
+
+]]>
+
+ &example.outputs;
+
+
+
+
+
+
+
+
+ &reftitle.seealso;
+
+
+ str_decrement
+
+
+
+
+
+
diff --git a/reference/strings/versions.xml b/reference/strings/versions.xml
index bf165edcdfe2..469c11f82b7f 100644
--- a/reference/strings/versions.xml
+++ b/reference/strings/versions.xml
@@ -56,9 +56,11 @@
+
+