The first commented line is your dabblet’s title

dabblet.css

/**
 * The first commented line is your dabblet’s title
 */

dabblet.html

<h1>Антимат</h1>

dabblet.js

var s = 'а бляха как';

//s = s.replace(/[?.,-]/gi, '');
//s = s.replace(/\s{2,}/gi, ' ');

var iskluch = [/бля(ха|шка)/i, /типа/i]

var r1 = new RegExp("[(\s|_)]*[бb6]+[(\s|_)]*[лl]+[(\s|_)]*([яy9])+[(\s|_)]*([дd]|[тt])*", "gi");


function zamena(str, a, b, c, d ,e, f){

    var start = -1, end = -1;
    var p1, p2;
    var word;
    var isMat = true;

    var pos = b;    
    if(typeof(c) == 'number') pos = c;
    if(typeof(d) == 'number') pos = d;
    if(typeof(e) == 'number') pos = e;
    if(typeof(f) == 'number') pos = f;
    
    
    console.log(pos);
    
    
    for(var n=1;n<s.length;n++){
        p1 = pos-n;    
        p2 = pos+n;    
        if((s[p1] == ' ' || p1 <= 0) && start == -1) start = p1;
        if((s[p2] == ' ' || p2 >= s.length) && end == -1) end = p2;
        
        if(start >= 0 && end >= 0){
            if (start > 1) start = start+1;
            word = s.slice(start, end);
            console.log(word);
            break;
        }
    }
    
    for(var i in iskluch){
        if(iskluch[i].test(word)) {isMat = false; break; }
    }    
    
    if(isMat)
        return '***';
    else
        return str;

}

console.log(s.replace(r1, zamena));

settings.json

{"view":"separate","fontsize":"100","seethrough":"","prefixfree":"1","page":"html"}