Format Links.py

#! /usr/bin/env python

# BBEdit Text Filter

# find all html links, and add /" target="_blank" rel="noopener noreferrer"/ to them
# to ensure the link opens in a new window when clicked
# Written by Phil Stokes

import re
from sys import stdin, stdout

def filter(txt):
    # constants
    attr = '" target="_blank" rel="noopener noreferrer'
    ptrn = '(<a href.+?(?=">))'


    # copy the text
    str = txt
    str = re.sub((ptrn), r'\1'+attr, txt)
    str2 = re.sub(r'&lt;', r'<', str)
    str = re.sub(r'&gt;', r'>', str2)

    return str


if __name__ == "__main__":
    text = stdin.read()
    stdout.write(filter(text))