regexs

const REGEX_PATTERNS = {
  ip4: /((\d{1,3}\.){3}\d{1,3})/,
  onlyDigits: /(^[\d\s]+$)/,
  urlKeywords: /(https?(:\/\/)?|www\.)/i,
  specialChars: /([!@#$%^&*+=|<>?:;\/\\])/,
  emailAddress: /([\w\.-]+@\w+(\.\w+)+)/,
  emailVerbose: /(.+?at(.+)?\w+?(.+)?(dot|\.)(.+)?com[^a-zA-Z]?)/i,
  topLevelDomains: /(\.(com|edu|gov|int|mil|net|org|arpa)[^a-zA-Z]?)/i,
  linkedinKeywords: /(linkedin|member|official)/i,
  moreThanOneDigits: /(\d.*\d)/,
  consecutiveAlphaNumeric: /((\w)\2{2,})/i,
  secondaryLevelDomains: /(\w+\.\w+\.(ad|ae|af|ag|ai|al|am|an|ao|aq|ar|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cf|cg|ch|ci|ck|cl|cm|cn|co|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|ee|eg|eh|er|es|et|fi|fj|fk|fm|fo|fr|fx|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|mv|mw|mx|my|mz|na|nc|ne|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zr|zw|com|edu|gov|int|mil|net|org|arpa|nato)[^a-zA-Z]?)/i
};

let nameValidations = [
  REGEX_PATTERNS.consecutiveAlphaNumeric.source, //must be first for lookaround
  REGEX_PATTERNS.ip4.source,
  REGEX_PATTERNS.onlyDigits.source,
  REGEX_PATTERNS.urlKeywords.source,
  REGEX_PATTERNS.specialChars.source,
  REGEX_PATTERNS.emailAddress.source,
  REGEX_PATTERNS.emailVerbose.source,
  REGEX_PATTERNS.topLevelDomains.source,
  REGEX_PATTERNS.linkedinKeywords.source,
  REGEX_PATTERNS.moreThanOneDigits.source,
  REGEX_PATTERNS.secondaryLevelDomains.source
].join('|');

let headlineValidations = [
  REGEX_PATTERNS.urlKeywords.source,
  REGEX_PATTERNS.ip4.source,
].join('|');

let nameRegex = new RegExp(nameValidations);
let headlineRegex = new RegExp(headlineValidations);