Extract a specific string inbetween strings by regex

Question

I have a url like this

  http://localhost:4970/eagle
&Account=001
&FruitSlad=Apple, Rambutab
 &Fruits=Canada

and I want to extract the text between FruitSlad and the next & and I tried to write a regex for it I tried ((GroupByMultiples)(.$&?)) but it didnt work . Um seeking for a help to extract the text between &FruitSlad and the next &

you mean this (?<=&FruitSlad=)[^&\n]* or (?<=&FruitSlad=).* — Avinash Raj
– Avinash Raj, Commented Oct 24, 2014 at 11:56
@kirov which language, to know wich interpreter and see if you need capture groups or not, etc. — Tensibai
– Tensibai, Commented Oct 24, 2014 at 11:59

Niels Keurentjes · Accepted Answer · 2014-10-24 11:58:54Z

1

/FruitSlad=([^&]+)/

See here.

answered Oct 24, 2014 at 11:58

Niels Keurentjes

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hwnd · Accepted Answer · 2014-10-24 13:21:07Z

1

In JavaScript you could do the following.

var url = "\
  http://localhost:4970/eagle \
&Account=001 \
&FruitSlad=Apple, Rambutab \
 &Fruits=Canada";

var result = url.split('&')[2].split('=')[1];
console.log(result.trim()); //=> "Apple, Rambutab"

Or if you prefer using regex ...

var result = url.match(/&FruitSlad=([^&]+)/);
if (result)
    console.log(result[1].trim()); //=> "Apple, Rambutab"

edited Oct 24, 2014 at 13:21

answered Oct 24, 2014 at 13:13

hwnd

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Comments

Rimas · Accepted Answer · 2014-10-25 21:56:51Z

1

The convenient way to get values of query variables in Python 2.x is to use urlparse module:

import urlparse

url = 'http://localhost:4970/eagle?Account=001&FruitSlad=Apple, Rambutab&Fruits=Canada'
vars = urlparse.parse_qs(urlparse.urlparse(url).query)
print vars['FruitSlad'][0]

In Python 3.x use urllib.parse module:

import urllib.parse

url = 'http://localhost:4970/eagle?Account=001&FruitSlad=Apple, Rambutab&Fruits=Canada'
vars = urllib.parse.parse_qs(urllib.parse.urlparse(url).query)
print(vars['FruitSlad'][0])

This module decodes also various encoded characters (%nn), so is more suitable than regex in this case.

answered Oct 25, 2014 at 21:56

Rimas

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