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 1. °¢ ¹®ÀÚ¿Í ¼ýÀÚ´Â ÇØ´ç ¹®ÀÚ ¶Ç´Â ¹®ÀÚ¿ÀÌ Å×½ºÆ®ÇÒ ¹®ÀÚ¿¿¡ ÀÖÀ»°æ¿ì true °¡µÈ´Ù.
 <script>
 // ''a'' °¡ ÀÖ´Â ¹®ÀÚ¿ ¸ðµÎ°¡ TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /a/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 <script>
 // "about" °¡ ÀÖ´Â ¹®ÀÚ¿ ¸ðµÎ°¡ TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /about/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 
 2. ´ë¼Ò¹®ÀÚ ±¸ºÐ¾øÀÌ ÇØ´ç ¹®ÀÚ ¶Ç´Â ¹®ÀÚ¿À» °Ë»öÇÒ °æ¿ì ³¡¿¡ i ¸¦ ºÙÀδÙ.
 <script>
 // ''a'' ¶Ç´Â ''A'' °¡ ÀÖ´Â ¹®ÀÚ¿ ¸ðµÎ°¡ TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ ¾ÈÇÔ)
 var filter = /a/i
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 
 3. ¿©·¯°³ÀÇ À̾îÁö´Â ³»¿ëµéÀ» °Ë»öÇÒ °æ¿ì´Â ''-'' ¸¦ ³Ö¾î Ç¥ÇöÇÑ´Ù.
 <script>
 // ''a'' ¿¡¼ ''z'' ±îÁöÁß Çϳª¸¸ ÀÖÀ¸¸é ¸ðµÎ°¡ TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /[a-z]/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 
 4. ¿©·¯°¡ÁöÀÇ ¹®ÀÚ ¶Ç´Â ¹®ÀÚ¿À» °Ë»öÇÒ °æ¿ì ''|'' ¸¦ ³Ö´Â´Ù.
 <script>
 // ''a'' ¶Ç´Â ''b'' ¶Ç´Â ''c'' °¡ ÀÖ´Â ¹®ÀÚ¿ ¸ðµÎ°¡ TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /a|b|c/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 <script>
 // ''a'' ¿¡¼ ''z'' ±îÁö ¶Ç´Â ''0'' ¿¡¼ ''9'' ±îÁöÁß Çϳª¸¸ ÀÖÀ¸¸é ¸ðµÎ°¡ TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /[a-z]|[0-9]/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 
 5. ÇØ´ç ¹®ÀÚ¶Ç´Â ¹®ÀÚ¿ÀÌ ¾ø´Â °æ¿ì¸¦ °Ë»öÇÒ °æ¿ì ºê·¡Å¶(''['', '']'') ¾È¿¡ ''^'' ¸¦ ³Ö´Â´Ù.
 <script>
 // ''a'' ¿¡¼ ''z'' ±îÁöÀÇ ¹®ÀÚ°¡ ¾Æ´Ñ ¹®ÀÚ°¡ ÀÖÀ» °æ¿ì TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /[^a-z]/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 
 6. ¹®ÀÚ¿ÀÇ Ã¹¹øÂ° ±ÛÀÚ°¡ ÀÏÄ¡ÇØ¾ßÇÒ °æ¿ì´Â ''^'' ¸¦ ºê·¡Å¶(''['', '']'') ¹Û¿¡ ³Ö´Â´Ù.
 <script>
 // ''a'' ¿¡¼ ''z'' ±îÁöÀÇ ¹®ÀÚ·Î ½ÃÀÛÇÏ´Â ¹®ÀÚ¿ÀÏ °Ü¿ì TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /^[a-z]/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 
 7. ¹®ÀÚ¿ÀÇ ³¡ÂÊ ±ÛÀÚ°¡ ÇØ´ç ¹®ÀÚ ¶Ç´Â ¹®ÀÚ¿°ú ÀÏÄ¡ÇØ¾ßÇÒ °æ¿ì´Â ''$'' ¸¦ ³Ö´?
 <script>
 // ''a'' ¿¡¼ ''z'' ±îÁöÀÇ ¹®ÀÚ·Î ³¡³ª´Â ¹®ÀÚ¿ÀÏ °Ü¿ì TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = /[a-z]$/
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
 
 8. Ư¼ö¹®ÀÚ('''', ''^'', ''$'', ''*'', ''+'', ''?'', ''.'', ''('', '')'', ''|'', ''{'', ''}'', ''['', '']'')¸¦ °Ë»öÇÒ °æ¿ì´Â '''' ¸¦ ³Ö´Â´Ù.
 <script>
 // '''' °¡ ÀÖ´Â ¹®ÀÚ¿ÀÏ °Ü¿ì TRUE (´ë¼Ò¹®ÀÚ ±¸ºÐ)
 var filter = //
 if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
 </script>
 
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