import re
rx = r'\(([^)]+)\)'
string = """Name Multiple Words Zero Row* (78.59/0) Name Multiple Words2* (96/24.56) Name Multiple Words3* (0/32.45) Name Multiple Words4* (96/12.58) Name Multiple Words5* (96/0) Name Multiple Words Zero Row6* (0) Name Multiple Words7* (96/95.57) Name Multiple Words Zero Row8* (0) Name Multiple Words9*"""
 
for match in re.finditer(rx, string):
    parts = match.group(1).split('/')
    First_Num = parts[0]
    try:
        Seg_Length = parts[1]
    except IndexError:
        Seg_Length = None
 
    print "First_Num, Seg_Length: ", First_Num, Seg_Length

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