<commit_before>/**
 * Return true if characters are alphabetic-only.
 * Courtesy http://stackoverflow.com/a/2450689/562978
 **/
function isLetter(s) {
    return s.match("^[a-zA-Z\(\)]+$");    
}

// Use CommonJS format, split into objects based on basic type of utility.
exports["strings"] = {
    isLetter: isLetter
};
<commit_msg>Parens are not alphabetic characters<commit_after>/**
 * Return true if characters are alphabetic-only.
 * Courtesy http://stackoverflow.com/a/2450689/562978
 **/
function isLetter(s) {
    return s.match("^[a-zA-Z]+$");
}

// Use CommonJS format, split into objects based on basic type of utility.
exports["strings"] = {
    isLetter: isLetter
};

{'fraction_non_alphanumeric': 0.1527165932452276, 'fraction_numerical': 0.0381791483113069, 'mean_word_length': 3.8368794326241136, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4482493', 'n_tokens_mistral': 252, 'n_tokens_neox': 223, 'n_words': 60}