Extract name between a word and comma from text with regex

Question

I have a thousands .txt files with a large text. I want to extract some information from these files, like some names, numbers and dates. There are fields that follow a pattern

Answer 1

Use the pattern ([^,]*) to match everything upto a comma

>>> re.findall(r'\sante mí:\s+([^,]*)', mensaje)
['DANIEL ROLANDO  CORNEJO GALLARDO']