
    Design a function that analyzes a user's social media post by determining the total number of possible text segments (continuous sequences of characters) that could represent meaningful content patterns or topics for the recommendation system. The function should process any given post text and return the count of all possible non-empty text segments that could be used for content matching.
    

    
def number_of_substrings(str):
    """
    Design a function that analyzes a user's social media post by determining the total number of possible text segments (continuous sequences of characters) that could represent meaningful content patterns or topics for the recommendation system. The function should process any given post text and return the count of all possible non-empty text segments that could be used for content matching.
    

    """
def number_of_substrings(str):
    """
    Design a function that analyzes a user's social media post by determining the total number of possible text segments (continuous sequences of characters) that could represent meaningful content patterns or topics for the recommendation system. The function should process any given post text and return the count of all possible non-empty text segments that could be used for content matching.
    

    """
    str_len = len(str)
    return int(str_len * (str_len + 1) / 2)