java.util.regex.Pattern

http://kin.naver.com/qna/detail.nhn?d1id=1&dirId=1040201&docId=182701030&qb=amF2YS51dGlsLnJlZ2V4&enc=utf8&section=kin&rank=1&search_sort=0&spq=0&pid=SZGdA35Y7tossax%2BHE4sssssstd-235885&sid=VE4QZXJvLDAAAH5uj6s

 

http://blog.daum.net/question0921/293

 

http://blog.naver.com/20hjh04/120138515030

 

http://www.clien.net/cs2/bbs/board.php?bo_table=kin&wr_id=3090040

 

http://blog.naver.com/satang50/203866831