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°³¹ßÀÛ¾÷ Áß¿¡ ÈçÇÏ°Ô ºÎµúÈ÷´Â ¹®ÀÚ¿ Á¶ÀÛ Áß¿¡¼ À̹ø¿¡´Â ¾ÆÁÖ ½±´Ù°í ÇÒ ¼ö ÀÖ´Â ¼ýÀÚ¸¸ ÃßÃâÇÏ´Â ¹æ¹ýÀ» ¾Ë¾Æ º¼±îÇÕ´Ï´Ù. ù ¹ø°·Î´Â J2SDK 1.4¿¡ Æ÷ÇÔµÈ java.util.regex¸¦ importÇؼ Á¤±Ô ½ÄÀ¸·Î ó¸®ÇÏ´Â ¹æ¹ý°ú µÎ¹ø°·Î´Â Character Ŭ·¡½ºÀÇ isDigit¸¦ ÀÌ¿ëÇÏ´Â ¹æ¹ý, ±×¸®°í ¸¶Áö¸·À¸·Î °íÀüÀûÀÎ ¾Æ½ºÅ° Äڵ尪À» ÀÌ¿ëÇÏ´Â ¹æ¹ýÀ» ¾Ë¾Æº¸°Ú½À´Ï´Ù.
¼¼°¡Áö ¸ðµÎ µ¿ÀÏÇÏ°Ô extrace_numeral À̶ó´Â ÇÔ¼ö·Î ±¸¼ºÇÏ¿´À¸¸ç ÇÔ¼öÀÇ ÀÎÀÚ·Î ÃßÃâÇÏ°í ½ÍÀº ¹®ÀÚ¿(String)À» ³Ñ°ÜÁÖ¸é ·çÇÁ¸¦ µ¹¸é¼ ¹®ÀÚ¿Áß ¼ýÀÚ¿¡ ÇØ´çÇÏ´Â °ªÀ» Àӽà º¯¼ö¿¡ ´ã´Â ¹æ½ÄÀ» »ç¿ëÇÏ°í ÀÖ½À´Ï´Ù. ÀÌ ·çÇÁ ºÎºÐÀ» »ì¦ º¯°æÇÏ¿© ¹®ÀÚ¸¸À» ÃßÃâÇÏ¿© º¸³»°Ô ÇÒ¼öµµ ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¸é Á¤±Ô½Ä¿¡¼ ¼ýÀÚ¿¡ ¸ÅĪ ÆÐÅÏ "\d"¸¦ ¹®ÀÚ ÆÐÅÏÀÎ "\D"·Î ¹Ù²Ù¸é ¹®ÀÚ¸¸À» ÃßÃâÇÑ °á°ú °ªÀ» µÇµ¹·Á ÁÝ´Ï´Ù. isDigit¸¦ ÀÌ¿ëÇÏ´Â ¹æ¹ýÀº ´ÜÁö ºÎÁ¤¸¸ ÇÏ¸é µË´Ï´Ù.
<%--Á¤±Ô½ÄÀ» ÀÌ¿ëÇÑ ¹æ¹ý--%> <%@ page contentType="text/html;charset=euc-kr" %> <%@ page import="java.util.regex.*" %> <%! public String extract_numeral(String str){
String numeral = ""; if( str == null ) { numeral = null; } else { String patternStr = "\\d"; //¼ýÀÚ¸¦ ÆÐÅÏÀ¸·Î ÁöÁ¤ Pattern pattern = Pattern.compile(patternStr); Matcher matcher = pattern.matcher(str);
while(matcher.find()) { numeral += matcher.group(0); //ÁöÁ¤µÈ ÆÐÅÏ°ú ¸ÅĪµÇ¸é numeral º¯¼ö¿¡ ³Ö´Â´Ù. ¿©±â¼´Â ¼ýÀÚ!! } }
return numeral; } %> |
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isDigit ¿Í ¾Æ½ºÅ° Äڵ尪À» ÀÌ¿ëÇÏ´Â ¹æ¹ýÀº ÇØ´ç ¹®ÀÚ°¡ ¼ýÀÚÀÎÁö ÆǺ°ÇÏ´Â if ºÎºÐ¿¡¼ isDigit¸¦ ¾²´À³Ä ¾Æ½ºÅ° Äڵ尪À¸·Î ºñ±³ÇÏ´À ³ÄÀÇ Â÷ÀÌÀÔ´Ï´Ù. ¾Æ·¡¿¡¼ È®ÀÎÇØ º¸½Ã±â ¹Ù¶ø´Ï´Ù.
<%--Character.isDigit()¸¦ ÀÌ¿ëÇÑ ¹æ¹ý--%> <%! public String extract_numeral(String str) { Stringnumeral = "", temp = ""; if( str == null ) { numeral = null; } else { for( int i = 0; i < str.length(); i++ ) { temp = str.substring(i,i+1); if( Character.isDigit(str.charAt(i)) ) //isDigit¸¦ ÀÌ¿ë { numeral += temp; } } } returnnumeral; } %> |
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<%--¾Æ½ºÅ° Äڵ尪À» ÀÌ¿ëÇÏ´Â ¹æ¹ý--%> <%! public String extract_numeral(String str) { Stringnumeral = "", temp = ""; if( str == null ) { numeral = null; } else { for( int i = 0; i < str.length(); i++ ) { temp = str.substring(i,i+1); if( temp.charAt(0)>47 && temp.charAt(0)<58 ) //¾Æ½ºÅ° Äڵ尪À¸·Î ºñ±³ { numeral += temp; } } } returnnumeral; } %> |
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