Magic Code

# h - данный хэш
h.each do |k, _|
  puts h[k] if k.match?(/^D\d{1,2}$/) && k[/[0-9]+/].to_i.between?(0, 27)
end

for name_elem, fcode_elem in zip(soup.find_all('name'), soup.find_all('fcode')):
    writer.writerow({'Name': name_elem.get_text(), 'FCode': fcode_elem.get_text()})

CSV.open("continents.csv", "wb") do |row|
  row << ['Name'] # заголовок ячейки
  
  doc.xpath("//Name").each do |name|
    row << name.text
  end
end

import re

foo = '1. 4x Apples. \n2. 5x Bananas \n3. 6x Oranges\n4. 3x Pears\n'
bar = '1. Ice cream \n2. Rice \n3. Flour\n4. Cola\n'

def to_list(s):
    return re.findall(r'\d+\.\s(.+?)(?=\s?\n)', s)

to_list(foo)
# ['4x Apples.', '5x Bananas', '6x Oranges', '3x Pears']
to_list(bar)
# ['Ice cream', 'Rice', 'Flour', 'Cola']

import re

a = "1. 4x Apples. \n2. 5x Bananas \n3. 6x Oranges\n4. 3x Pears\n"
b = "1. Ice cream \n2. Rice \n3. Flour\n4. Cola\n"


def to_list(data):
    return [x.strip() for x in re.findall('\d+\.(.*)\n', data)]

y = to_list(a)
x = to_list(b)

print(y)
print(x)

def x(x):
    return list(filter(None, ['.'.join(y.split('.')[1:]).strip() for y in x.split('\n')]))

x(a)
['4x Apples.', '5x Bananas', '6x Oranges', '3x Pears']
x(b)
['Ice cream', 'Rice', 'Flour', 'Cola']

import re

pattern = r'Model:.*|UPC:.*'

text = '''12" Non-Stick Skillet  
        with Helper Handle
        Model: FCT22-30HNS 
        UPC: 086279034182 
        Case Pack: 4
        5½ Qt. Sauté Pan with Cover
        Model: FCT33-28H 
        UPC: 086279034038 
        Case Pack: 4
        8" Skillet
        Model: FCT22-20 
        UPC: 086279034007'''

print(re.findall(pattern, text))

['Model: FCT22-30HNS ', 'UPC: 086279034182 ', 'Model: FCT33-28H ', 'UPC: 086279034038 ', 'Model: FCT22-20 ', 'UPC: 086279034007']

page_content = []
page_text = '''
12" Non-Stick Skillet  
with Helper Handle
Model: FCT22-30HNS 
UPC: 086279034182 
Case Pack: 4
5½ Qt. Sauté Pan with Cover
Model: FCT33-28H 
UPC: 086279034038 
Case Pack: 4
8" Skillet
Model: FCT22-20 
UPC: 086279034007
'''
for line in page_text.splitlines():
    if 'Model:' in line:
        page_content.append(line)
print(page_content)

['Model: FCT22-30HNS ', 'Model: FCT33-28H ', 'Model: FCT22-20 ']

document.css('div.data-block__value').each_with_index do |link, i|
  puts link.content[v]  if (i + 1) % 3 == 0
end

var str1 = 'Зеленая поляна';
re1='ная';
re2='яна';
var str_new = str1.replace(re1, 'ную');
var str_new=str_new.replace(re2,'яну');