Regex sre_constants.error: bad character range

Question

I'm trying to a get a JSON string from another string with this regex:

YAHOO.Finance.SymbolSuggest.ssCallback\((.*?)\)

It works on regex101.com, but when I use it in my code:

import re
import json
import requests

def stock_lookup(name):

    url = "http://autoc.finance.yahoo.com/autoc?query={0}&callback=YAHOO.Finance.SymbolSuggest.ssCallback".format(name)

    response = requets.get(url)

    json_data = json.loads(re.match(data,"YAHOO.Finance.SymbolSuggest.ssCallback\((.*?)\)"))


    return json_data

I get this error:

sre_constants.error: bad character range

Thanks in advance

Wiktor Stribiżew · Accepted Answer · 2015-06-12 07:28:32Z

1

You misplaced the arguments in the match method, regex should come first.

re.match("YAHOO.Finance.SymbolSuggest.ssCallback\((.*?)\)", data)

re.match documentation:

re.match(pattern, string, flags=0)

The error is shown because most probably there is some z-A type of range in the data.

answered Jun 12, 2015 at 7:28

Wiktor Stribiżew

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3 Comments

josuebrunel Over a year ago

Aahaha thanks a lot. I think i left my brain somewhere

Wiktor Stribiżew Over a year ago

Maybe you also code in C#, where Regex.Match accepts input string as the 1st argument, and the pattern as the 2nd. The issue is not so uncommon.

josuebrunel Over a year ago

Not wrong, i just got the example from C# code even though ain't a C# Programmer.

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