å¤æä¸ä¸ªå符串ä¸æ个æå®çå符åºç°ç次æ°ï¼å¯ä»¥ä½¿ç¨å½æ°ï¼ãReplaceã
æè·¯ï¼ä½¿ç¨Replaceå½æ°å°æå®çå符æ¿æ¢ä¸ºç©ºï¼ç¶ååç¨å½æ°ãLenãæ±åºæ¿æ¢ååæ¿æ¢åçå·®å¼ï¼å³ä¸ºåºç°ç次æ°ã
ä¾å¦ï¼å符串ã12312345ãä¸å¤æå符ã2ãåºç°ç次æ°
dim Rc as integer
Rc=len("12312345")-len(replace("12312345","2",""))
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