Python中的文本替换

src = '那个人看起来好像一条狗，哈哈'
print(src.replace('，哈哈', '.'))

那个人看起来好像一条狗.

"""
替换掉字符串value内竖线之后的的内容
"""
import re

src = '[{"name":"date","value":"2017数据"},{"name":"年收入","value":"3000|{"url":"http://www.abc.com/chart/income","x":"0","y":"456.172820"}"},{"name":"税款","value":"-"},{"name":"人数","value":"3419"},{"name":"部门","value":"27|{"url":"http://www.abc.com/department/list","x":"0","y":"155.852820"}"},{"name":"部门营收","value":"-"}]'

#通过则表达式查找，如果有多个匹配，只能获取到最后一个
matches = re.search('\|{.*?"}', src)
while matches is not None:
    src = src.replace(matches.group(0), '')
    matches = re.search('\|{.*?"}', src)

print(src)

[{"name":"date","value":"2017数据"},{"name":"年收入","value":"3000"},{"name":"税款","value":"-"},{"name":"人数","value":"3419"},{"name":"部门","value":"27"},{"name":"部门营收","value":"-"}]