Nodejs String Soundex soundex()

Here you can find the source of soundex()

Method Source Code

/**/*from w ww. j a  va 2s  .  c  o m*/
 * Soundex algorithm implementation
 *
 * @see   http://en.wikipedia.org/wiki/Soundex
 */
String.prototype.soundex = function()
{
   return this.charAt(0).toUpperCase() + this.slice(1).toLowerCase()
      .replace(/\w/g, function($0)
      {
         return String.prototype.soundex.table[$0];
      })
      .replace(/(.)\1+/g, '$1')
      .slice(0, 3)
      ;
};

Related

  1. soundex( )
    String.prototype.soundex = function( ){
      var i, j, r;
      var keyLength = 4; 
      var map = { B:1,F:1,P:1,V:1,C:2,G:2,J:2,K:2,Q:2,S:2,X:2,Z:2,D:3,T:3,L:4,M:5,N:5,R:6 };
      var r = (s = this.toUpperCase().replace(/[^A-Z]/g, "").split("")).splice(0, 1);
      var key = {
          items : [],
          _check: function(e) {
          var m = map[e]; 
    ...
    
  2. soundex(p)
    String.prototype.soundex = function(p){
      var i, j, l, r, p = isNaN(p) ? 4 : p > 10 ? 10 : p < 4 ? 4 : p,
      m = {BFPV: 1, CGJKQSXZ: 2, DT: 3, L: 4, MN: 5, R: 6},
      r = (s = this.toUpperCase().replace(/[^A-Z]/g, "").split("")).splice(0, 1);
      for(i = -1, l = s.length; ++i < l;)
        for(j in m)
          if(j.indexOf(s[i]) + 1 && r[r.length-1] != m[j] && r.push(m[j]))
            break;
      return r.length > p && (r.length = p), r.join("") + (new Array(p - r.length + 1)).join("0");
    ...
    
  3. soundex(p)
    String.prototype.soundex = function(p){ 
        var i, j, r, p = isNaN(p) ? 4 : p > 10 ? 10 : p < 4 ? 4 : p,
        m = {BFPV: 1, CGJKQSXZ: 2, DT: 3, L: 4, MN: 5, R: 6},
        r = (s = this.toUpperCase().replace(/[^A-Z]/g, "").split("")).splice(0, 1);
        for(i in s)
            for(j in m)
                if(j.indexOf(s[i]) + 1 && r[r.length-1] != m[j] && r.push(m[j]))
                    break;
        return r.length > p && (r.length = p), r.join("") + (new Array(p - r.length + 1)).join("0");
    ...
    
  4. soundex.init(table)
    String.prototype.soundex.init = function(table)
      String.prototype.soundex.table = {};
      table = table || {
        'bfpv': '1', 
        'cgjkqsxz': '2', 
        'dt': '3', 
        'l': '4', 
        'mn': '5', 
    ...
    
  5. soundexRefined()
    var US_ENGLISH_MAPPING = "01360240043788015936020505".split("");
    var lookup = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split("");
    String.prototype.soundexRefined = function(){
            if (this == null){ 
                return null;
            var str = this.toUpperCase().replace(/[^A-Z]/g, "");
            if (this.length == 0) {
                return str;
    ...