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Pythonã§æ£è¦è¡¨ç¾ã®å¦çãè¡ãã«ã¯æ¨æºã©ã¤ãã©ãªã®reã¢ã¸ã¥ã¼ã«ã使ããæ£è¦è¡¨ç¾ãã¿ã¼ã³ã«ããæååã®æ½åºãç½®æãåå²ãªã©ãã§ããã re --- æ£è¦è¡¨ç¾æä½ â Python 3.11.3 ããã¥ã¡ã³ã æ£è¦è¡¨ç¾ HOWTO â Python 3.11.3 ããã¥ã¡ã³ã ããã§ã¯ã¾ãreã¢ã¸ã¥ã¼ã«ã®é¢æ°ãã¡ã½ããã«ã¤ãã¦èª¬æãããã®ãã¨ã§ãreã¢ã¸ã¥ã¼ã«ã§ä½¿ããæ£è¦è¡¨ç¾ã®ã¡ã¿æåï¼ç¹æ®æåï¼ã»ç¹æ®ã·ã¼ã±ã³ã¹ã«ã¤ãã¦èª¬æãããåºæ¬çã«ã¯æ¨æºçãªæ£è¦è¡¨ç¾ã®ã·ã³ã¿ãã¯ã¹ã ãããã©ã°ã®è¨å®ï¼ç¹ã«re.ASCIIï¼ã¯è¦æ³¨æã æ£è¦è¡¨ç¾ãã¿ã¼ã³ãã³ã³ãã¤ã«: compile() reã¢ã¸ã¥ã¼ã«ã§æ£è¦è¡¨ç¾ã®å¦çãå®è¡ããæ¹æ³ã¯2ã¤ããã é¢æ°ã§å®è¡ 1ã¤ç®ã¯é¢æ°ãre.match(), re.sub()ã®ããã«æ£è¦è¡¨ç¾ãã¿ã¼ã³ãç¨ããæ½åºãç½®æãªã©ã®å¦çãè¡ãé¢æ°ãç¨æããã¦ããã é¢æ°ã®è©³ç´°ã«
import re # rãä»ãããã¨ãæ¨å¥¨ã # ããã¯ã¹ã©ãã·ã¥ããã®ã¾ã¾ã§åãããããããã content = r'hellow python, 123, end.' pattern = 'hel' result = re.match(pattern, content) if result: #none以å¤ã®å ´å print(result) # output:<_sre.SRE_Match object; span=(0, 3), match='hel'> print(result.span()) # output:(0, 3) print(result.group()) # output:hel
æ£è¦è¡¨ç¾ã«ã¤ãã¦ãã使ããããªãã®ãã¡ã¢ã ã»Mac ã»python ï¼ã¡ã¢å å®¹ï¼ â â.â㯠æ¹è¡ä»¥å¤ã®ä»»æã®1æåï¼æ°åå«ãï¼ â¡ matchã¯ãå é ãããããããããå¤å®ããé¢æ°ããããããå ´åã¯matchãªãã¸ã§ã¯ãï¼æ£è¦è¡¨ç¾ãã¾ã¨ãããã®ï¼ãè¿ãããããããªããã°NONEãè¿ãã ⢠searchã¯ãéä¸ã§ããããããã©ãããå¤å®ããé¢æ°ãï¼ç®æããå ´åã¯æåã®ï¼ç®æã®ã¿è¿ãããããããå ´åã¯matchãªãã¸ã§ã¯ããè¿ãããããããªããã°NONEãè¿ãã ⣠splitã¯æå®ããæåã§åå²ããé¢æ°ãè¿ãå¤ã¯ãªã¹ãå ⤠findallã¯ãæå®ããæåãå ¨ã¦è¿ãé¢æ°ãè¿ãå¤ã¯ãªã¹ãå ï¼ï¼ï¼ä¾é¡ import re text1 = 'abcde' text2 = 'a' text3 = '1234' text4 = 'a1234' text5 = 'a1234a567' text
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