Next: String Conversion, Previous: Modifying Strings, Up: Strings and Characters [Contents][Index]
¤³¤Î´Ø¿ô¤Ï¡¢°ú¿ô¤¬Æ±¤¸Ê¸»ú¤òɽ¤·¤Æ¤¤¤ì¤Ðt¤òÊÖ¤·¡¢
¤µ¤â¤Ê¤±¤ì¤Ðnil¤òÊÖ¤¹¡£
case-fold-search¤¬nil°Ê³°¤Ç¤¢¤ë¤È¡¢
¤³¤Î´Ø¿ô¤ÏÂçʸ»ú¾®Ê¸»ú¤Î°ã¤¤¤ò¶èÊ̤·¤Ê¤¤¡£
(char-equal ?x ?x)
⇒ t
(let ((case-fold-search nil))
(char-equal ?x ?X))
⇒ nil
¤³¤Î´Ø¿ô¤Ï¡¢2¤Ä¤Îʸ»úÎó¤Î³ÆÊ¸»ú¤¬Àµ³Î¤Ë°ìÃפ¹¤ì¤Ðt¤òÊÖ¤¹¡£
Âçʸ»ú¾®Ê¸»ú¤ò¶èÊ̤¹¤ë¡£
(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¡£
string-equal¤Ïstring=¤ÎÊÌ̾¡£
¤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礤¯¡¢¤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礤ʿôÃͤǤ¢¤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
string-lessp¤Ïstring<¤ÎÊÌ̾¡£
¤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¡£
¤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¡£
¤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¡£