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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.
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var filter = /a/
if (filter.test("some test words") == true) { alert("ok"); } else { alert("fail"); }
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<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"); }
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2. ´ë¼Ò¹®ÀÚ ±¸ºÐ¾øÀÌ ÇØ´ç ¹®ÀÚ ¶Ç´Â ¹®ÀÚ¿­À» °Ë»öÇÒ °æ¿ì ³¡¿¡ i ¸¦ ºÙÀδÙ.
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// ''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"); }
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3. ¿©·¯°³ÀÇ À̾îÁö´Â ³»¿ëµéÀ» °Ë»öÇÒ °æ¿ì´Â ''-'' ¸¦ ³Ö¾î Ç¥ÇöÇÑ´Ù.
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// ''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"); }
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4. ¿©·¯°¡ÁöÀÇ ¹®ÀÚ ¶Ç´Â ¹®ÀÚ¿­À» °Ë»öÇÒ °æ¿ì ''|'' ¸¦ ³Ö´Â´Ù.
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// ''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"); }
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<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"); }
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5. ÇØ´ç ¹®ÀڶǴ ¹®ÀÚ¿­ÀÌ ¾ø´Â °æ¿ì¸¦ °Ë»öÇÒ °æ¿ì ºê·¡Å¶(''['', '']'') ¾È¿¡ ''^'' ¸¦ ³Ö´Â´Ù.
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// ''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 Ã¹¹ø° ±ÛÀÚ°¡ ÀÏÄ¡ÇؾßÇÒ °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"); }
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7. ¹®ÀÚ¿­ÀÇ ³¡ÂÊ ±ÛÀÚ°¡ ÇØ´ç ¹®ÀÚ ¶Ç´Â ¹®ÀÚ¿­°ú ÀÏÄ¡ÇؾßÇÒ °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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