関連ワード:  python count all occurrences in string    python count occurrences in string    python count occurrences in string case insensitive    python count occurrences in string regex    python count word occurrences in string    python count character occurrences in string    python count substring occurrences in string    python count occurrences of char in string    python count letter occurrences in string    python count instances in string  
結果 : python count all occurrences in string