--- a/regex/Regex.h	Mon Mar 02 23:59:24 2015 +0900
+++ b/regex/Regex.h	Tue Mar 03 00:44:39 2015 +0900
@@ -11,3 +11,12 @@
     char* searchWord;
     int searchWordLen;
 } BMData, *BMDataPtr;
+
+typedef struct regexData {
+    char* readText;
+    int readTextLen;
+    char* searchWord;
+    int searchWordLen;
+    char** matchLinesHeads;
+    char* matchLineNum;
+} RegexData, *RegexDataPtr;

--- a/regex/bmsearch.cc	Mon Mar 02 23:59:24 2015 +0900
+++ b/regex/bmsearch.cc	Tue Mar 03 00:44:39 2015 +0900
@@ -48,4 +48,3 @@
     result->matchNum = matchCounter;
     return result;
 }
-

--- a/regex/main.cc	Mon Mar 02 23:59:24 2015 +0900
+++ b/regex/main.cc	Tue Mar 03 00:44:39 2015 +0900
@@ -13,6 +13,7 @@
 const char *usr_help_mode = "Please add -bm or -regex";
 extern int *createBMskiptable(BMDataPtr);
 extern void *BMmethod(BMDataPtr,ResultPtr);
+extern void *regex(RegexDataPtr);
 
 int main(int argc, char* argv[]) {
 
@@ -82,7 +83,12 @@
         free(result);
         free(bmdata);
     }else if (regexFlag == true) {
-
+        RegexDataPtr regexD = (RegexDataPtr)malloc(sizeof(RegexData));
+        regexD->readText = textfile;
+        regexD->readTextLen = sb.st_size;
+        regexD->searchWord = searchWord;
+        regexD->searchWordLen = strlen((const char*)regexD->searchWord);
+        regex(regexD);
     }else{
         puts(usr_help_mode);
         exit(1);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/regex/regex.cc	Tue Mar 03 00:44:39 2015 +0900
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <math.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include "regex.h"
+
+void* regex(RegexDataPtr regexD)
+{
+    char* readText = regexD->readText;
+    int readTextLen = regexD->readTextLen;
+    char* searchWord = regexD->searchWord;
+    int searchWordLen = regexD->searchWordLen;
+}