
    Write a function that validates whether user-submitted interest tags follow the platform's formatting guidelines by checking if they consist of lowercase words connected with underscores. The function should help maintain consistency in the event recommendation system by returning true for properly formatted tags like "outdoor_photography" and false for improperly formatted ones like "OutdoorPhotography" or "outdoor-photography".
    

    
import re

def text_lowercase_underscore(text):
    """
    Write a function that validates whether user-submitted interest tags follow the platform's formatting guidelines by checking if they consist of lowercase words connected with underscores. The function should help maintain consistency in the event recommendation system by returning true for properly formatted tags like "outdoor_photography" and false for improperly formatted ones like "OutdoorPhotography" or "outdoor-photography".
    

    """
import re

def text_lowercase_underscore(text):
    """
    Write a function that validates whether user-submitted interest tags follow the platform's formatting guidelines by checking if they consist of lowercase words connected with underscores. The function should help maintain consistency in the event recommendation system by returning true for properly formatted tags like "outdoor_photography" and false for improperly formatted ones like "OutdoorPhotography" or "outdoor-photography".
    

    """
    patterns = '^[a-z]+_[a-z]+$'
    if re.search(patterns, text):
        return True
    else:
        return False