diff --git a/httpd/httpd_2_2/ap_regex.inc b/httpd/httpd_2_2/ap_regex.inc
new file mode 100644
index 000000000..dc870f142
--- /dev/null
+++ b/httpd/httpd_2_2/ap_regex.inc
@@ -0,0 +1,138 @@
+{ Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ }
+
+{ Derived from PCRE's pcreposix.h.
+
+            Copyright (c) 1997-2004 University of Cambridge
+
+-----------------------------------------------------------------------------
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+    * Neither the name of the University of Cambridge nor the names of its
+      contributors may be used to endorse or promote products derived from
+      this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+-----------------------------------------------------------------------------
+}
+
+{
+ * @file ap_regex.h
+ * @brief Apache Regex defines
+ }
+
+//#include "apr.h"
+
+{ Options for ap_regexec: }
+
+const
+  AP_REG_ICASE    = $01; { use a case-insensitive match }
+  AP_REG_NEWLINE  = $02; { don't match newlines against '.' etc }
+  AP_REG_NOTBOL   = $04; { ^ will not match against start-of-string }
+  AP_REG_NOTEOL   = $08; { $ will not match against end-of-string }
+
+  AP_REG_EXTENDED = (0);  { unused }
+  AP_REG_NOSUB    = (0);  { unused }
+
+{ Error values: }
+
+  AP_REG_ASSERT  = 1;     { internal error ? }
+  AP_REG_ESPACE  = 2;     { failed to get memory }
+  AP_REG_INVARG  = 3;     { invalid argument }
+  AP_REG_NOMATCH = 4;     { match failed }
+
+{ The structure representing a compiled regular expression. }
+type
+  Pap_regex_t = ^ap_regex_t;
+  
+  ap_regex_t = record
+    re_pcre: Pointer;
+    re_nsub: apr_size_t;
+    re_erroffset: apr_size_t;
+  end;
+
+{ The structure in which a captured offset is returned. }
+  Pap_regmatch_t = ^ap_regmatch_t;
+
+  ap_regmatch_t = record
+    rm_so: Integer;
+    rm_eo: Integer;
+  end;
+
+{ The functions }
+
+{
+ * Compile a regular expression.
+ * @param preg Returned compiled regex
+ * @param regex The regular expression string
+ * @param cflags Must be zero (currently).
+ * @return Zero on success or non-zero on error
+ }
+function ap_regcomp(preg: Pap_regex_t; const regex: PChar; cflags: Integer): Integer;
+ {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
+ external LibHTTPD name LibNamePrefix + 'ap_regcomp' + LibSuff12;
+
+{
+ * Match a NUL-terminated string against a pre-compiled regex.
+ * @param preg The pre-compiled regex
+ * @param string The string to match
+ * @param nmatch Provide information regarding the location of any matches
+ * @param pmatch Provide information regarding the location of any matches
+ * @param eflags Bitwise OR of any of AP_REG_* flags 
+ * @return 0 for successful match, #REG_NOMATCH otherwise
+ }
+function ap_regexec(const preg: Pap_regex_t; const string_: PChar;
+ nmatch: apr_size_t; pmatch: Pap_regmatch_t; eflags: Integer): Integer;
+ {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
+ external LibHTTPD name LibNamePrefix + 'ap_regexec' + LibSuff20;
+
+{
+ * Return the error code returned by regcomp or regexec into error messages
+ * @param errcode the error code returned by regexec or regcomp
+ * @param preg The precompiled regex
+ * @param errbuf A buffer to store the error in
+ * @param errbuf_size The size of the buffer
+ }
+function ap_regerror(errcord: Integer; const preg: Pap_regex_t;
+ errbuf: PChar; errbuf_size: apr_size_t): apr_size_t;
+ {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
+ external LibHTTPD name LibNamePrefix + 'ap_regerror' + LibSuff16;
+
+{ Destroy a pre-compiled regex.
+ * @param preg The pre-compiled regex to free.
+ }
+procedure ap_regfree(preg: Pap_regex_t);
+ {$IFDEF WINDOWS} stdcall; {$ELSE} cdecl; {$ENDIF}
+ external LibHTTPD name LibNamePrefix + 'ap_regfree' + LibSuff4;
+