def replace_with_separator(text, separator, regexs):
    """Get text with replaced separator if provided regular expressions were matched.

    Parameters
    ----------
    text : str
        Input text.
    separator : str
        The separator between words to be replaced.
    regexs : list of `_sre.SRE_Pattern`
        Regular expressions used in processing text.

    Returns
    -------
    str
        Text with replaced separators.

    """
    replacement = r"\1" + separator + r"\2"
    result = text
    for regex in regexs:
        result = regex.sub(replacement, result)
    return result