--- Regexp.compile(string[, option[, code]])
--- Regexp.new(string[, option[, code]])

    ʸ򥳥ѥ뤷ɽ֥Ȥ֤ޤ 2 
    ͿơͤǤС줿ɽϥե
    ٥åȤʸʸ̤ޤ 2 Ǥä硢
    ͤ
    Regexp::IGNORECASE [Regexp/IGNORECASE]
    Regexp::MULTILINE [Regexp/MULTILINE]
    Regexp::EXTENDED [Regexp/EXTENDED] 
    ¤ǤʤФʤޤ

     3 Ϳ줿ˤϡ$KCODE ͤˤ
    餺ꤵ줿ʸɤǥޥåԤޤʸɤ 
    $KCODE ؤƱͤʸκǽΰʸǷꤵ
    

     1 ɽǤƤƱ(嵭ե饰Ƥϥ
    ꥢ줿)ɽʣ֤ޤΤȤʣɽ
    Фơ 2 3 λ꤬ꤵޤ

    ɽΥѥ˼Ԥ硢㳰 RegexpError ȯ
    ޤ

