[CLEANUP] renamed include/haproxy to include/common
diff --git a/include/common/regex.h b/include/common/regex.h
new file mode 100644
index 0000000..d9510bf
--- /dev/null
+++ b/include/common/regex.h
@@ -0,0 +1,61 @@
+/*
+ include/common/regex.h
+ This file defines everything related to regular expressions.
+
+ Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation, version 2.1
+ exclusively.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#ifndef _COMMON_REGEX_H
+#define _COMMON_REGEX_H
+
+#include <common/defaults.h>
+
+#ifdef USE_PCRE
+#include <pcre.h>
+#include <pcreposix.h>
+#else
+#include <regex.h>
+#endif
+
+/* what to do when a header matches a regex */
+#define ACT_ALLOW 0 /* allow the request */
+#define ACT_REPLACE 1 /* replace the matching header */
+#define ACT_REMOVE 2 /* remove the matching header */
+#define ACT_DENY 3 /* deny the request */
+#define ACT_PASS 4 /* pass this header without allowing or denying the request */
+
+struct hdr_exp {
+ struct hdr_exp *next;
+ regex_t *preg; /* expression to look for */
+ int action; /* ACT_ALLOW, ACT_REPLACE, ACT_REMOVE, ACT_DENY */
+ char *replace; /* expression to set instead */
+};
+
+extern regmatch_t pmatch[MAX_MATCH];
+
+int exp_replace(char *dst, char *src, char *str, regmatch_t *matches);
+char *check_replace_string(char *str);
+char *chain_regex(struct hdr_exp **head, regex_t *preg, int action, char *replace);
+
+#endif /* _COMMON_REGEX_H */
+
+/*
+ * Local variables:
+ * c-indent-level: 8
+ * c-basic-offset: 8
+ * End:
+ */