import re
string = """
influences = 
 {{hlist |[[Plato]] |[[Aristotle]] |[[Socrates]] |[[David Hume]] |[[Adam Smith]] |[[Cicero]] |[[John Locke]]}}
 {{hlist |[[Saint Augustine]] |[[Saint Thomas Aquinas]] |[[Saint Thomas More]] |[[Richard Hooker]] |[[Edward Coke]]}}
 {{hlist |[[Thomas Hobbes]] |[[Rene Descartes]] |[[Montesquieu]] |[[Joshua Reynolds]] |[[Sir William Blackstone|William Blackstone]]}}
 {{hlist |[[Niccolo Machiavelli]] |[[Dante Alighieri]] |[[Samuel Johnson]] |[[Voltaire]] |[[Jean Jacques Rousseau]] |[[Jeremy Bentham]]}}"""
 
matches = [template.group(1) 
           for match in re.findall(r'\{\{hlist.+?\}}', string)
           for template in re.finditer(r'\[\[([^]]+)\]\]', match)]
print(matches)

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