                    ==================================
                    =       ؾ ϵ v0.5         =
                    ==================================

)

    1) Ʈ    ǥ
    2) hgre  ؾ  
        2-1)  
    3) Ÿ 
        3-1)    Ÿڵ
        3-2) hgre  Ÿ   
        3-3) ѱ  Ÿ ڿ   
    4) ѱ RE   RE  

---------------------------------------------------------------------
1) Ʈ    ǥ

    1. POSIX Regular Expression ( 1003.2 )  Ծ ؼ
    2. ѱ ǥ   ǥȭ ۾

2) hgre  ؾ  

    1. ѱ ó ̺귯 Ȯ  
        1-1.  ó 
        1-2. Unicode ó 
    2.  ó  Ÿ 
        ex) { , } ? \ / [:alpha:]
    3.  ϼ Ÿڿ   ׽Ʈ
    4.  ѱ  Ÿ 

    2-1)  

    ۾ ٸ, 1  ó , 2  óϽ , 3  óϽ
         ϴ.

    * ѱ ó ̺귯 ٷ  ãϴ.
        - ʿ ɷ : ѱ ϼ//Unicode   ˰, C  ٷ
                       ִ 
        - ϴ  :
			1.   ν 
			2. Unicode ν 
			3.  ѱۿ  óɷ .
               ,  , / ȯ, <->ϼ<-> ȯ 


    * Ÿ ڸ ϰ Ͻ  ãϴ.
        - ʿ ɷ : hgre  ˰ 80% ̻ Ͻð, ߰
                      Ͻ  ִ . RE    ʿ.
		- ϴ  :
			1.  ϳ Ÿڸ ¾ װ  .

    * ѱ  ǥ  ׽Ʈ Ͻ  ãϴ.
        - ʿ ɷ : Unix  ٷ  , hgre  ƽô 

      Ʈ   ϴ  ?
     ǰ ڽϴ.
	
	 Ͻ  ִ  ôٸ hgre Խǿ ų 
	 ֽʽÿ.

3) Ÿ 

3-1)    Ÿڵ

    ( ) . + * | [ ] ^ & \ / - : & { , } ?

3-2) hgre  Ÿ   

    o  ǿ ־ Ȯϰ óǴ ū

    e    -> english
       -> hangul
    $    ->  Ÿ
    |    -> OR 
    &    -> AND  ( ԽĿ Ⱥ)
    -    -> [ ]  밡 ū. μ ߵ. 

    o  Ȯϴٰ Ȯ ȼ ū ó

    [ ]  -> ߵȴٰ ,  .
    ( )  -> ó ϳ ׷ȭ   .
    * +  ->  Ϻϰ óǳ   ǥĿ ̻.  
            ׽Ʈ  ó   .
    ^    ->   ߵǳ  ̻.
    .    -> ۵ ǳ ׽Ʈ  غ .

    o    ū Ȥ    .

    \            -> POSIX  PERL Extended , Gawk RE ؾ .
    {N,N}        ->   .
    ?            ->  .
    [::]   ->   ۵ ˰ ٲٸ鼭
                    ϱ ٷο .
    ,            -> { } ̿  .  ó .

3-3) ѱ  Ÿ ڿ   

    1. [ ]      ̿ ѱ

    2. \        ڿ ѱ

    3. [: ~ :]  ̿ ѱ

4) ѱ RE   RE  

    1. [ ]

    [  ] ̿ ѱ   . "[-]"  
      ϰ .

        [-] ==  |  | 

    ѱ  ڿ ʼ, ߼,  ҸϿ  
     Ͽ  մϴ.

    ٸ δ      ֽϴ.

    Ex) [-] == ʼ:- ߼:    :-  ̷  ѱ
	 ѱ :                   

        [-] == ʼ:- ߼:      :       ̷  ѱ
         ѱ :                   

        [-] == ʼ:- ߼:- :       ̷  ѱ
	 ѱ :                  
                                     
                     ¥ ° ¹  ä í ī ĳ ļ Ÿ         

	[-] == ʼ:- ߼:    :     ̷  ѱ
	 ѱ :              ¦  Ĭ Ź  

    **     **
        [-]
	[-]
	[-]
	[-]
	[-]
	[-]

    [  ] ̿ ^ Ÿ ڸ   ֽϴ. ׿  
     Ʒ ϰڽϴ.
