diff --git a/ase/test/awk/rex.c b/ase/test/awk/rex.c
deleted file mode 100644
index f6d3c7bf..00000000
--- a/ase/test/awk/rex.c
+++ /dev/null
@@ -1,63 +0,0 @@
-#include <xp/awk/awk.h>
-
-#ifdef __STAND_ALONE
-	#define xp_printf xp_awk_printf
-	extern int xp_awk_printf (const xp_char_t* fmt, ...); 
-	#define xp_strcmp xp_awk_strcmp
-	extern int xp_awk_strcmp (const xp_char_t* s1, const xp_char_t* s2);
-	#define xp_strlen xp_awk_strlen
-	extern int xp_awk_strlen (const xp_char_t* s);
-#endif
-
-int xp_main (int argc, const xp_char_t* argv[])
-{
-	xp_awk_rex_t* rex;
-	const xp_char_t* ptn;
-
-	rex = xp_awk_rex_open (XP_NULL);
-	if (rex == XP_NULL)
-	{
-		xp_printf (XP_T("rex open failed\n"));
-		return -1;
-	}
-
-	//ptn = XP_T("|");
-	//ptn = XP_T("^he.llo(jo(in|kk)s|com)+h*e{1,40}abc|[^abc][de-f]|^he.llo(jo(in|kk)s|com)+h*e{1,40}abc|[^abc][de-f]");
-	//ptn = XP_T("^he.llo(jo(in|kk)s|com)+h*e{1,40}abc|[^abc][de-f]");
-	//ptn = XP_T("^he.llo(jo(in|kk)s|com)|[^x[:space:][:alpha:]j][^abc][de-f]|^he.llo(jo(in|kk)s|com)|[^x[:space:][:alpha:]j][^abc][de-f]");
-	ptn = XP_T("^.{0,2}.z[^[:space:]]+(abc|zzz){1,2}khg");
-	//
-	//ptn = XP_T("a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}"); //a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}a{1,10}");
-	if (xp_awk_rex_compile (rex, ptn, xp_strlen(ptn)) == -1)
-	{
-		xp_printf (XP_T("cannot compile pattern - %s\n"), xp_awk_rex_geterrstr(rex));
-		xp_awk_rex_close (rex);
-		return -1;
-	}
-
-	xp_awk_rex_print (rex);
-
-	{
-		int n;
-		const xp_char_t* str = XP_T("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
-		const xp_char_t* match_ptr;
-		xp_size_t match_len;
-		//if (xp_awk_rex_match (rex, XP_T("azhabc"), 6, &match_ptr, &match_len) == 0)
-		n = xp_awk_rex_match (rex, XP_T("azhzzzabckhgi"), 13, &match_ptr, &match_len);
-		//if (xp_awk_rex_match (rex, str, xp_strlen(str), &match_ptr, &match_len) == 0)
-		if (n == 1)
-		{
-			xp_printf (XP_T("match = %s, match length = %u\n"), match_ptr, match_len);
-		}
-		else if (n == 0)
-		{
-			xp_printf (XP_T("go to hell\n"));
-		}
-		else /* if (n == -1) */
-		{
-			xp_printf (XP_T("ERROR: %s\n"), xp_awk_rex_geterrstr(rex));
-		}
-	}
-	xp_awk_rex_close (rex);
-	return 0;
-}
diff --git a/ase/test/awk/rex2.c b/ase/test/awk/rex2.c
deleted file mode 100644
index b8244395..00000000
--- a/ase/test/awk/rex2.c
+++ /dev/null
@@ -1,58 +0,0 @@
-#include <xp/awk/rex.h>
-
-#ifdef __STAND_ALONE
-	#define xp_printf xp_awk_printf
-	extern int xp_awk_printf (const xp_char_t* fmt, ...); 
-	#define xp_strcmp xp_awk_strcmp
-	extern int xp_awk_strcmp (const xp_char_t* s1, const xp_char_t* s2);
-	#define xp_strlen xp_awk_strlen
-	extern int xp_awk_strlen (const xp_char_t* s);
-#endif
-
-int xp_main (int argc, const xp_char_t* argv[])
-{
-	void* rex;
-	const xp_char_t* ptn;
-	int errnum;
-
-	//ptn = XP_T("|");
-	//ptn = XP_T("^he.llo(jo(in|kk)s|com)+h*e{1,40}abc|[^abc][de-f]|^he.llo(jo(in|kk)s|com)+h*e{1,40}abc|[^abc][de-f]");
-	//ptn = XP_T("^he.llo(jo(in|kk)s|com)+h*e{1,40}abc|[^abc][de-f]");
-	//ptn = XP_T("^he.llo(jo(in|kk)s|com)|[^x[:space:][:alpha:]j][^abc][de-f]|^he.llo(jo(in|kk)s|com)|[^x[:space:][:alpha:]j][^abc][de-f]");
-	//ptn = XP_T("^.{0,2}.z[^[:space:]]+(abc|zzz){1,2}khg");
-	ptn = XP_T("");
-
-	rex = xp_awk_buildrex (ptn, xp_strlen(ptn), &errnum);
-	if (rex == XP_NULL)
-	{
-		xp_printf (XP_T("cannot compile pattern\n"));
-		return -1;
-	}
-
-	xp_printf (XP_T("isemptyrex => %d\n"), xp_awk_isemptyrex (rex));
-	xp_printf (XP_T("NA: %u\n"), (unsigned int)XP_AWK_REX_NA(rex));
-	xp_printf (XP_T("LEN: %u\n"), (unsigned int)XP_AWK_REX_LEN(rex));
-	xp_awk_printrex (rex);
-
-	{
-		int n;
-		const xp_char_t* match_ptr;
-		xp_size_t match_len;
-
-		//if (xp_awk_matchrex (rex, XP_T("azhabc"), 6, &match_ptr, &match_len) == 0)
-		n = xp_awk_matchrex (rex, XP_T("azhzzzabckhgi"), 13, &match_ptr, &match_len, &errnum);
-		if (n == 1)
-		{
-			xp_printf (XP_T("match = %s, match length = %u\n"), match_ptr, match_len);
-		}
-		else if (n == 0)
-		{
-			xp_printf (XP_T("go to hell\n"));
-		}
-		else /* if (n == -1) */
-		{
-			xp_printf (XP_T("ERROR: in match\n"));
-		}
-	}
-	return 0;
-}