Function parser_isAnySizedComplex

quest/src/core/parser.cpp:254–270

bool parser_isAnySizedComplex(string str) {

    // we assume that all strings which match the regex can be parsed to
    // a qcomp (once whitespace is removed) EXCEPT strings which contain a 
    // number too large to store in the qcomp type (as is separately checked 
    // below). Note it is insufficient to merely duck-type each component using
    // using stold() et al because such functions permit non-numerical chars to 
    // follow the contained number (grr!)
    smatch match;

    // must match real, imaginary or complex number regex
    if (regex_match(str, match, regexes::real)) return true;
    if (regex_match(str, match, regexes::imag)) return true;
    if (regex_match(str, match, regexes::comp)) return true;

    return false;
}


bool parser_isValidComplex(string str) {