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4.5 ʸ»ú¤Èʸ»úÎó¤ÎÈæ³Ó

Function: char-equal character1 character2

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(char-equal ?x ?x)
     ⇒ t
(let ((case-fold-search nil))
  (char-equal ?x ?X))
     ⇒ nil
Function: string= string1 string2

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(string= "abc" "abc")
     ⇒ t
(string= "abc" "ABC")
     ⇒ nil
(string= "ab" "ABC")
     ⇒ nil

´Ø¿ôstring=¤Ï2¤Ä¤Îʸ»úÎó¤Î¥Æ¥­¥¹¥È°À­¤ò̵»ë¤¹¤ë¡£ equal¡Êsee Equality Predicates¡Ë¤¬2¤Ä¤Îʸ»úÎó¤òÈæ³Ó¤¹¤ëºÝ¤Ë¤Ï¡¢ string=¤ò»È¤¦¡£

ʸ»úÎó¤ËÈóASCIIʸ»ú¤¬´Þ¤Þ¤ì¡¢ °ìÊý¤¬¥æ¥Ë¥Ð¥¤¥È¤Ç¤¢¤ê¾Êý¤¬¥Þ¥ë¥Á¥Ð¥¤¥È¤Ç¤¢¤ë¾ì¹ç¡¢ ¤½¤ì¤é¤¬Åù¤·¤¤¤³¤È¤Ï¤Ê¤¤¡£ see Text Representations¡£

Function: string-equal string1 string2

string-equal¤Ïstring=¤ÎÊÌ̾¡£

Function: string< string1 string2

¤³¤Î´Ø¿ô¤Ï2¤Ä¤Îʸ»úÎó¤ò1ʸ»ú¤º¤ÄÈæ³Ó¤¹¤ë¡£ ¤Þ¤º¡¢Ê¸»úÎó¤òÁöºº¤·¡¢Âбþ¤¹¤ëʸ»úƱ»Î¤ÎÂФǰìÃפ·¤Ê¤¤¤â¤Î¤òõ¤¹¡£ ¤½¤Î¤è¤¦¤ÊÂФÎʸ»ú¤Î¾®¤µ¤¤¤Û¤¦¤¬string1¤Îʸ»ú¤Ç¤¢¤ë¤Ê¤é¤Ð¡¢ string1¤¬¾®¤µ¤¯¡¢¤³¤Î´Ø¿ô¤Ït¤òÊÖ¤¹¡£ ʸ»ú¤Î¾®¤µ¤¤¤Û¤¦¤¬string2¤Îʸ»ú¤Ç¤¢¤ë¤Ê¤é¤Ð¡¢ string1¤¬Â礭¤¯¡¢¤³¤Î´Ø¿ô¤Ïnil¤òÊÖ¤¹¡£ 2¤Ä¤Îʸ»úÎ󤬴°Á´¤Ë°ìÃפ¹¤ë¾ì¹ç¡¢ÃͤÏnil¤Ç¤¢¤ë¡£

ʸ»ú¤ÎÂФϡ¢¤½¤ì¤é¤Îʸ»ú¥³¡¼¥É¤ÇÈæ³Ó¤¹¤ë¡£ ASCIIʸ»ú½¸¹ç¤Ç¤Ï¡¢¾®Ê¸»ú¤ÏÂçʸ»ú¤è¤êÂ礭¤Ê¿ôÃͤǤ¢¤ê¡¢ ¿ô»úʸ»ú¤ä¿¤¯¤Î¶çÆÉÅÀʸ»ú¤ÏÂçʸ»ú¤è¤ê¾®¤µ¤Ê¿ôÃͤǤ¢¤ë¤³¤È¤ËÃí°Õ¡£ ASCIIʸ»ú¤Ï¤É¤ó¤ÊÈóASCIIʸ»ú¤è¤ê¤â¾®¤µ¤¤¡£ ¥æ¥Ë¥Ð¥¤¥ÈÈóASCIIʸ»ú¤Ï¥Þ¥ë¥Á¥Ð¥¤¥ÈÈóASCIIʸ»ú¤è¤ê¤â¤Ä¤Í¤Ë¾®¤µ¤¤¡£ ¡Êsee Text Representations¡Ë¡£

(string< "abc" "abd")
     ⇒ t
(string< "abd" "abc")
     ⇒ nil
(string< "123" "abc")
     ⇒ t

ʸ»úÎó¤ÎŤµ¤¬°Û¤Ê¤êstring1¤ÎŤµ¤Þ¤Ç°ìÃפ¹¤ë¾ì¹ç¡¢ ·ë²Ì¤Ït¤Ç¤¢¤ë¡£ string2¤ÎŤµ¤Þ¤Ç°ìÃפ¹¤ë¾ì¹ç¡¢·ë²Ì¤Ïnil¤Ç¤¢¤ë¡£ ¶õʸ»úÎó¤Ï¾¤Î¤É¤ó¤Êʸ»úÎó¤è¤ê¤â¾®¤µ¤¤¡£

(string< "" "abc")
     ⇒ t
(string< "ab" "abc")
     ⇒ t
(string< "abc" "")
     ⇒ nil
(string< "abc" "ab")
     ⇒ nil
(string< "" "")
     ⇒ nil 
Function: string-lessp string1 string2

string-lessp¤Ïstring<¤ÎÊÌ̾¡£

Function: compare-strings string1 start1 end1 string2 start2 end2 &optional ignore-case

¤³¤Î´Ø¿ô¤Ï¡¢string1¤Î»ØÄêÉôʬ¤Èstring2¤Î»ØÄêÉôʬ¤òÈæ³Ó¤¹¤ë¡£ string1¤Î»ØÄêÉôʬ¤Ï¡¢ ź»ústart1°ÌÃÖ¤«¤é»Ï¤Þ¤êź»úend1°ÌÃ֤ޤǤǤ¢¤ë ¡Ê¥Ç¥Õ¥©¥ë¥È¤Ïʸ»úÎó¤ÎËöÈø¡Ë¡£ string2¤Î»ØÄêÉôʬ¤Ï¡¢ ź»ústart2°ÌÃÖ¤«¤é»Ï¤Þ¤êź»úend2°ÌÃ֤ޤǤǤ¢¤ë ¡Ê¥Ç¥Õ¥©¥ë¥È¤Ïʸ»úÎó¤ÎËöÈø¡Ë¡£

¤É¤Á¤é¤Îʸ»úÎó¤âÈæ³Ó¤Î¤¿¤á¤Ë¥Þ¥ë¥Á¥Ð¥¤¥È¤ËÊÑ´¹¤¹¤ë¤Î¤Ç ¡Êsee Text Representations¡Ë¡¢ ¥æ¥Ë¥Ð¥¤¥Èʸ»úÎó¤È¥Þ¥ë¥Á¥Ð¥¤¥È¤¬Åù¤·¤¯¤Ê¤ë¾ì¹ç¤â¤¢¤ë¡£ ignore-case¤¬nil¤Ç¤Ê¤±¤ì¤Ð¡¢Âçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤¤Î¤Ç¡¢ Âçʸ»ú¤Ï¾®Ê¸»ú¤ËÅù¤·¤¯¤Ê¤ë

2¤Ä¤Îʸ»úÎó¤Î»ØÄêÉôʬ¤¬°ìÃפ¹¤ì¤Ð¡¢ÃͤÏt¡£ ¤µ¤â¤Ê¤±¤ì¤Ð¡¢Ãͤϲ¿Ê¸»úÌܤޤǤ¬°ìÃפ·¤Æ¤É¤Á¤é¤Îʸ»úÎ󤬾®¤µ¤¤¤«¤ò¼¨¤¹¡£ ¤½¤ÎÀäÂÐÃͤϡ¢2¤Ä¤Îʸ»úÎó¤Î»Ï¤á¤«¤é°ìÃפ·¤¿Ê¸»ú¤Î¸Ä¿ô¤Ë1¤ò²Ã¤¨¤¿¤â¤Î¡£ string1¡Ê¤Î»ØÄêÉôʬ¡Ë¤¬¾®¤µ¤¤¤Ê¤é¤ÐÉ乿¤ÏÉé¤Ë¤Ê¤ë¡£

Function: assoc-ignore-case key alist

¤³¤Î´Ø¿ô¤Ï¡¢assoc¤ÈƱÍÍ¤ËÆ°ºî¤¹¤ë¤¬¡¢ key¤Ïʸ»úÎó¤Ç¤¢¤ëɬÍפ¬¤¢¤ê¡¢ compare-strings¤òÍѤ¤¤ÆÈæ³Ó¤¹¤ëÅÀ¤¬°Û¤Ê¤ë¡£ Âçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤¤ÇÈæ³Ó¤¹¤ë¡£

Function: assoc-ignore-representation key alist

¤³¤Î´Ø¿ô¤Ï¡¢assoc¤ÈƱÍÍ¤ËÆ°ºî¤¹¤ë¤¬¡¢ key¤Ïʸ»úÎó¤Ç¤¢¤ëɬÍפ¬¤¢¤ê¡¢ compare-strings¤òÍѤ¤¤ÆÈæ³Ó¤¹¤ëÅÀ¤¬°Û¤Ê¤ë¡£ Âçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤·¤ÆÈæ³Ó¤¹¤ë¡£

¥Ð¥Ã¥Õ¥¡Æâ¤Î¥Æ¥­¥¹¥È¤òÈæ³Ó¤¹¤ë Comparing Text¤Îcompare-buffer-substrings¤â»²¾È¤·¤Æ¤¯¤À¤µ¤¤¡£ ʸ»úÎó¤ËÂФ·¤ÆÀµµ¬É½¸½¤Î°ìÃפò¼è¤ë´Ø¿ôstring-match¤Ï¡¢ ¤¢¤ë¼ï¤Îʸ»úÎóÈæ³Ó¤Ë»È¤¨¤Þ¤¹¡£ See Regexp Search¡£