Regex Remover - Fixed

import re

# Open input file for reading and output file for writing
with open("taereltxt.txt", "r") as input_file, open("output.txt", "w") as output_file:

    input = input_file.read()

    regexList = []

    # List of patterns to remove. Add as many as needed.
    regexList.append("(==History==|==Stone Age: Before 1E 0==|==Copper Age: 1E 1-1E 2200==|==Bronze Age: 1E 2200-1E 4400==|==Iron Age: 2E 0-2E 700==|==Ancient Age: 2E 700-2200==|==Middle Ages: 3E 0-2050==|==Early Modern Age: 2050-3E 2600==|==Industrial Age: 3E 2600-3E 2700==|==Machine Age: 3E 2700-3E 2800==|==Atomic Age: 3E 2800-3E 2850==|==Space Age: 2E 2850-2E 2900==|==Information Age: 3E 2850-3E 2900==|==Genetic Age: 3E 2950-3E 3000==|Awakening Age: 3E 3000-3E 3415==|==Shattering Age: 4E 0 - 4E 250==|==History|Geography|Plants|Animals|Biology==|==Psychology==|==Culture==|==Government==|==Military==|==Religion==|==Miscellany==|==History (A'voreld kin'toni Clan)==|==Biology (A'voreld kin'toni Clan)==|==Psychology (A'voreld kin'toni Clan)==|==Culture (A'voreld kin'toni Clan)==|==Government (A'voreld kin'toni Clan)==|==Military (A'voreld kin'toni Clan)==|==Religion (A'voreld kin'toni Clan)==|==Miscellany (A'voreld kin'toni Clan)==|\sTaerel:.?|\sCategory:.?)")
    regexList.append("\{\{[\s\S]*?\}\}")
    regexList.append("\[\[Category:.+?\]\]")
    regexList.append("\[\[Taerel:.+?\]\]")


    # Remove matches from the file
    for pattern in regexList:
        input = re.sub(pattern, "", input)

    # Output to new file
    output_file.write(input)