Remove special characters from a string

function filterNum(str) {re = /$|,|@|#|~|`|%|*|^|&|(|)|+|=|[|-|_|]|[|}|{|;|:|'|<|>|?||||!|$|./g;return str.replace(re, '');}
var str = 'Car Car Car';var newstr = str.replace(/Car/g, 'Bus');
var str = 'Car Car Car';var rep = 'Bus';search = new RegExp('Car', 'g');var newstr = str.replace(search, rep); // prints 'Bus Bus Bus'
var str = 'text image text image text image';var newstr = str.replace(/t(.*?)t/gi, 'b'); /* b image b image b image */var newstr = str.replace(/t(.*?)t/gi, $1); /* ex image ex image ex image */

Replace between two singe and double quote

newstr = str.replace(/'(.*?)'/gi, '<b>''+$1+''</b>'); /* replace between quote */newstr = str.replace(/'(.*?)'/gi, '<b>''+$1+''</b>'); /* replace between double quote */

Replace commnets

newstr = str.replace(//*(.*?)*//gi, '<s>/*'+$1+'*/</s>'); /* replace */newstr = str.replace(///(.*?)<br>/gi, '<s>//'+$1+'</s><br />'); /* replace */

Remove white space from both ends of a string

string = string.replace(new RegExp(/^s+/),''); // STARTstring = string.replace(new RegExp(/s+$/),''); // END

Remove white space from ends then 'www.' from the start.

string = string.replace(new RegExp(/^www./i),'');

Remove white (blank) space from a string

string Anthem = 'Star Spangled Banner';Anthem = Anthem.Replace(' ', ''); 

Remove all Strip HTML Tags

newstr = str.replace(/(<([^>]+)>)/ig,'');newstr = str.replace(/(<S([^>]+)>)/ig,'');