以数字格式获取字符串价格

import re

def parse_price(price_str):
    # 移除货币符号和逗号
    cleaned_price = re.sub(r'[^\d.]', '', price_str)
    # 转换为浮点数
    price = float(cleaned_price)
    return price

# 示例价格字符串
price_str = "$1,234.56"
price = parse_price(price_str)
print(price)  # 输出: 1234.56

def parse_euro_price(price_str):
    # 移除货币符号和点
    cleaned_price = re.sub(r'[^\d,]', '', price_str)
    # 替换逗号为点
    cleaned_price = cleaned_price.replace(',', '.')
    # 转换为浮点数
    price = float(cleaned_price)
    return price

# 示例价格字符串
price_str = "1.234,56 €"
price = parse_euro_price(price_str)
print(price)  # 输出: 1234.56

def parse_price(price_str, currency='USD'):
    if currency == 'USD':
        # 移除货币符号和逗号
        cleaned_price = re.sub(r'[^\d.]', '', price_str)
    elif currency == 'EUR':
        # 移除货币符号和点
        cleaned_price = re.sub(r'[^\d,]', '', price_str)
        # 替换逗号为点
        cleaned_price = cleaned_price.replace(',', '.')
    else:
        raise ValueError("Unsupported currency format")
    
    # 转换为浮点数
    price = float(cleaned_price)
    return price

# 示例价格字符串
usd_price_str = "$1,234.56"
eur_price_str = "1.234,56 €"

usd_price = parse_price(usd_price_str, 'USD')
eur_price = parse_price(eur_price_str, 'EUR')

print(usd_price)  # 输出: 1234.56
print(eur_price)  # 输出: 1234.56

import locale

def parse_price_with_locale(price_str, locale_str):
    # 设置区域
    locale.setlocale(locale.LC_ALL, locale_str)
    # 使用locale模块解析价格
    conv = locale.localeconv()
    cleaned_price = price_str.replace(conv['currency_symbol'], '').strip()
    price = locale.atof(cleaned_price)
    return price

# 示例价格字符串
usd_price_str = "$1,234.56"
eur_price_str = "1.234,56 €"

usd_price = parse_price_with_locale(usd_price_str, 'en_US.UTF-8')
eur_price = parse_price_with_locale(eur_price_str, 'de_DE.UTF-8')

print(usd_price)  # 输出: 1234.56
print(eur_price)  # 输出: 1234.56