new file mode 100644
--- /dev/null
+++ b/src/core/ngx_regex.h
@@ -0,0 +1,30 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ */
+
+
+#ifndef _NGX_REGEX_H_INCLUDED_
+#define _NGX_REGEX_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+
+#include <pcre.h>
+
+
+#define NGX_REGEX_CASELESS  PCRE_CASELESS
+
+typedef pcre  ngx_regex_t;
+
+void ngx_regex_init();
+ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options,
+                               ngx_pool_t *pool, ngx_str_t *err);
+ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s,
+                         int *matches, ngx_int_t size);
+
+#define ngx_regex_exec_n  "pcre_exec()"
+
+
+#endif /* _NGX_REGEX_H_INCLUDED_ */