
    Implement a function that converts database field names from the legacy fraud detection system's snake case format to camel case notation for seamless integration with the modern JavaScript frontend monitoring dashboard. The function must handle any transaction-related field names containing underscores while maintaining the original meaning of the identifiers.
    

    
def snake_to_camel(word):
    """
    Implement a function that converts database field names from the legacy fraud detection system's snake case format to camel case notation for seamless integration with the modern JavaScript frontend monitoring dashboard. The function must handle any transaction-related field names containing underscores while maintaining the original meaning of the identifiers.
    

    """
import re

def snake_to_camel(word):
    """
    Implement a function that converts database field names from the legacy fraud detection system's snake case format to camel case notation for seamless integration with the modern JavaScript frontend monitoring dashboard. The function must handle any transaction-related field names containing underscores while maintaining the original meaning of the identifiers.
    

    """
    return ''.join((x.capitalize() or '_' for x in word.split('_')))