RegEx Based Verify China Phone Number

ChinaPhoneNumber.js

// includes China Mobile, China Unicom, China Telecom
const isChinaPhoneNumber = phone => /^1(?:70\d|(?:9[89]|8[0-24-9]|7[135-8]|66|5[0-35-9])\d|3(?:4[0-8]|[0-35-9]\d))\d{7}$/.test(phone)

ChinaPhoneNumberRegExpBuilder.js

const prefixGroups = {
    "China Mobile": [
        1340, 1341, 1342, 1343, 1344, 1345, 1346, 1347, 1348,
        135, 136, 137, 138, 139, 150, 151, 152, 157, 158, 159,
        178, 182, 182, 184, 187, 188, 198
    ],
    "China Mobile (MVNO)": [1703, 1705, 1706],
    // "China Mobile (Data-only)": [1440, 147, 148],

    "China Unicom": [130, 131, 132, 155, 156, 166, 175, 176, 185, 186],
    "China Unicom (MVNO)": [1704, 1707, 1708, 1709, 171],
    // "China Unicom (Data-only)": [145, 146],

    "China Telecom": [133, 153, 173, 177, 180, 181, 189, 199],
    "China Telecom (MVNO)": [1700, 1701, 1702],
    // "China Telecom (Data-only)": [149, 1410],
    // "China Telecom (Satellite)": [1349, 17400, 17401, 17402, 17403, 17404, 17405]
}

const buildRegExp = prefixs => {
    prefixs.sort()
    const mapped = prefixs.map(String).map(prefix => prefix.padEnd(11, 'X'))
    const replaced = require('regexgen')(mapped).source
        .replace(/\[0-9]/g, 'X')
        .replace(/X+/g, m => `\\d{${m.length}}`)
        .replace(/\\d\{1}/g, '\\d')
    return new RegExp(`^${replaced}$`)
}

const makeSingleRegExp = (prefixGroups) => {
    const prefixs = Object.values(prefixGroups)
        .reduce((prefixs, items) => [...prefixs, ...items], [])
    return buildRegExp(prefixs)
}

const makeGroupRegExp = (prefixGroups) => {
    return Object.keys(prefixGroups)
        .reduce((group, name) => Object.assign(group, {[name]: buildRegExp(prefixGroups[name])}), {})
}

console.log('Single RegExp:\n')
console.log(makeSingleRegExp(prefixGroups))

console.log(`\n${'-'.repeat(20)}\n`)

console.log('Group RegExp:\n')
console.log(makeGroupRegExp(prefixGroups))