How do I extract two things using Regex in Python?

Question

I have a string that has two things, which is the name of the petitioner and the advocate.

I wanna separate the petitioner names and the advocate names.

All petitioner names start with a number (1-) and the advocate name start with Advocate-.

1) RAM PRASAD\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0Advocate- ADITYA PRASAD MISHRA, A.P. MISHRA

This is another string.

1) KALAICHELVI

Advocate - NOTICE ORDER R1 ONLY, -------------------------------, R1 - TAPAL RETURNED, NOT KNOWN

2) KALIMUTHU 3) RAMACHANDRA GOAUNER 4) SETHU AMMAL 5) SOMU GOUNDER 6) SOMASUNDAR A GOUNDER 7) KARUNANITHI 8) LALAITHAMMAL 9) JEGANNATHA GOUNDER

I tried doing this, re.split(r'[ ]\xa0\xa0(?=[0-9]+\b)', s) but works fine when the Adovate Name isn't present. How do I do this?

In my DB, Yes the advocate name may occur below a petitioner's name. @BurhanKhalid — Juggernaut
– Juggernaut, Commented Sep 2, 2019 at 8:05

Arne · Accepted Answer · 2019-09-02 08:37:37Z

If you want to find two distinct things and plan to use regular expressions, it is almost always a good idea to use two distinct expressions instead of one. For example

petitioner_re = re.compile(r"\d+\) ([A-Z ]+)")    # matches petitioners
advocate_re = re.compile(r"Advocate - ([^\n]+)")  # matches advocates

Given your example input, you can apply re.finditer for petitioners and re.search for advocates

content = """
1) KALAICHELVI

Advocate - NOTICE ORDER R1 ONLY, -------------------------------, R1 - TAPAL RETURNED, NOT KNOWN

2) KALIMUTHU 3) RAMACHANDRA GOAUNER 4) SETHU AMMAL 5) SOMU GOUNDER 6) SOMASUNDAR A GOUNDER 7) KARUNANITHI 8) LALAITHAMMAL 9) JEGANNATHA GOUNDER
"""

petitioners = [p.group(1).strip() for p in petitioner_re.finditer(content)]
advocate = advocate_re.search(content)

Which gives the following result

print(petitioners)
['KALAICHELVI', 'KALIMUTHU', 'RAMACHANDRA GOAUNER', 'SETHU AMMAL',
 'SOMU GOUNDER', 'SOMASUNDAR A GOUNDER', 'KARUNANITHI', 'LALAITHAMMAL', 
 'JEGANNATHA GOUNDER']
print(advocate)
'NOTICE ORDER R1 ONLY, -------------------------------, R1 - TAPAL RETURNED, NOT KNOWN'

If you have multiple advocates per entry and want to find all of them, they'll need to be fetched with re.finditer as well.

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