Typora sets the math equations delimiters as ($,$) and ((<p class='md-mathblock>)$,$) for HTML source. This file converts the delimiters to (\( , \)) and ( \[, \] ) to use in Mathjax using in-line inputs and output.txt.

changeTyporaDelimiter.py

def checkInline(s):
    i = 0
    while True:
        try:
            if s[i] == '$':
                return i
        except IndexError:
            return -1

        i += 1


def checkOutline(s):
    return s == "<p class='md-math-block'>$"

def main():
    f = open("./output.txt", "w")
    while True:
        print('newline')
        s = input()
        if s == ':qa!':
            f.close()
            break
        else:
            if checkOutline(s):
                f.write('<p>\[\n')
                while True:
                    t = input()
                    if t == '$</p>':
                        f.write('\]</p>\n')
                        break
                    else:
                        f.write(t+'\n')
            elif checkInline(s) >= 0:
                i = checkInline(s)
                j = checkInline(s[i+1:])
                f.write(s[:i] + '\(' + s[i+1:i+j+1] + '\)' + s[i+j+2:] + '\n')
            else:
                f.write(s+'\n')

main()