^ æååã®å
é ãè¤æ°è¡ãããã³ã°ã§ã¯è¡é ã $ æååã®æ«å°¾ãè¤æ°è¡ãããã³ã°ã§ã¯è¡æ«ã * ç´åã®é
ç®ã®0å以ä¸ã®ç¹°ãè¿ãã{0,}ã¨åãã + ç´åã®é
ç®ã®1å以ä¸ã®ç¹°ãè¿ãã{1,}ã¨åãã . æ¹è¡ä»¥å¤ã®æåã[^\n]ã¨åãã (x) ã°ã«ã¼ããxã«ä¸è´ããç®æãè¨æ¶ããã {n} ç´åã®é
ç®ã®nåã®ç¹°ãè¿ãã {n,} ç´åã®é
ç®ã®nå以ä¸ã®ç¹°ãè¿ãã {n,m} ç´åã®é
ç®ã®nï½måã®ç¹°ãè¿ãã [xyz] xyzä»»æã®ä¸æåã[a-z]ã¨ããã¨å°æåã®ã¢ã«ãã¡ãããå
¨ã¦ã [^xyz] xyz以å¤ã®ä»»æã®ä¸æåã \b 空ç½ã®ãããªåèªã®å¢çã \B åèªã®å¢çã§ã¯ãªãç®æã \cX å¶å¾¡æåãXã¯Aï½Zã®æåã \d æ°åã[0-9]ã¨åãã \D æ°å以å¤ã®æåã[^0-9]ã¨åãã \f ã¨ã¹ã±ã¼ãã·ã¼ã±ã³ã¹<FF>ãæ¹ãã¼ã¸ã \n ã¨ã¹ã±ã¼ãã·ã¼ã±ã³ã¹<LF>ã
{{#tags}}- {{label}}
{{/tags}}