(재) (PHP) 간단히 입, 출력만 적고 코딩만 묻겠습니다.

<?php
 
//$data = preg_replace ('/=([^=]+)=/', '\\1', $data);
$data = '=가나다= ==라마바== --사아자-- [[차카타파]] 하마먀머며';
echo "원본 : ". $data;
print("<BR>");
 
echo '출력 : (가나다) |가나다| *-가나다-* *[가나다라마]* 가나다라';
print("<BR>");
 
//print_r($data);
print("<BR>");
 
 
//-----------------------------------
//space 공간으로 문자 분리하기
//-----------------------------------
$keywords = preg_split("/ /", $data);
print_r($keywords);
print("<BR>");
print("<BR>");
 
 
//-----------------------------------
//분리된 문자를 하나씩 출력하기
//-----------------------------------
for($i=0; $i<count($keywords); $i++)
{
//  echo $keywords[$i]. "<BR>";
  echo "<BR>";
 
  //-----------------------------------
  //== 문자 == 를 구분하기
  //-----------------------------------
  preg_match("/(?P<PRE>==)(.*)(?P<NEXT>==)/", $keywords[$i], $matches);
  if($matches[PRE] == "==" && $matches[NEXT] == "==" )
  {
    echo "|". $matches[2] ."|";
    continue;
  }
 
  //-----------------------------------
  //= 문자 = 를 구분하기
  //-----------------------------------
  preg_match("/(?P<PRE>=)(.*)(?P<NEXT>=)/", $keywords[$i], $matches);
  if($matches[PRE] == "=" && $matches[NEXT] == "=" )
  {
    echo "(". $matches[2] .")";
    continue;
  }
 
  //-----------------------------------
  //-- 문자 -- 를 구분하기
  //-----------------------------------
  preg_match("/(?P<PRE>--)(.*)(?P<NEXT>--)/", $keywords[$i], $matches);
  if($matches[PRE] == "--" && $matches[NEXT] == "--" )
  {
    echo "*-". $matches[2] ."-*";
    continue;
  }
  //-----------------------------------
  //[[ 문자 ]] 를 구분하기
  //-----------------------------------
  preg_match("/(?P<PRE>\[\[)(.*)(?P<NEXT>\]\])/", $keywords[$i], $matches);
 
  if($matches[PRE] == "[[" && $matches[NEXT] == "]]" )
  {
    echo "*[". $matches[2] ."]*";
    continue;
  }
  echo $keywords[$i];
}
 
 
/*
  print_r($matches);
  echo "test<BR>";
  echo "[0]".$matches[0]. "<BR>";
  echo "[PRE]"."(". $matches[PRE]. "<BR>";
  echo "[1]".$matches[1]. "<BR>";
  echo "[2]".$matches[2]. "<BR>";
  echo "[3]".$matches[3]. "<BR>";
  echo "[NEXT]".$matches[NEXT]. ")". "<BR>";
  echo "<BR>";
*/
 
 
 
//echo str_replace(array("=","("), array("==","=="), $data); //output will be TCAGACGGGATC 
 
 
?>