Javascript – textarea – Profanity Filter
A useful code for a Chat!
Simple Code to convert bad words:
<html>
<head>
<script language="javascript">
<!--
function ProfanityFilter() {
var convert1 = document.modulo.mytext.value;
// Replace "bitch" with "good woman"
var convert2 = convert1.replace("bitch","good woman");
mydiv.innerHTML = convert2;
}
//-->
</script>
</head>
<body>
Try to write "son of a bitch"
<form name="modulo">
<input type="text" name="mytext">
<input type="button" value="Filter" onClick="ProfanityFilter()">
</form>
<div id="mydiv"></div>
</body>
</html>
An array of bad words:
<html>
<head>
<script language="javascript">
<!--
function ProfanityFilter() {
// The array of bad words START
var swear_words_arr=new Array(
"fuck off","piss off","bugger off","damn","damned","dipshit","fuck","faggot","shit"
);
// The array of bad words END
// A regular expression is an object that describes a pattern of characters
// We must to find a match at the beginning/end of a word
// It is different "bad oo" and "badoo"
// Without "var regex" control, you find a match between "bad oo" and "badoo" because there is "bad" in both sentences
var regex = new RegExp('\\b(' + swear_words_arr.join('|') + ')\\b', 'i' );
// Get form content
var alltext = document.modulo.mytext.value;
// Bad words controller START
if(regex.test(alltext)) {
alert("Please refrain from using offensive words!"); /* alert box */
// Using – return – the function will stop executing, and return the specified value.
return false;
}
else {
alert("You are a good guy! There is not bad words!"); /* alert box */
}
// Bad words controller END
}
//-->
</script>
</head>
<body>
Try to write a statement with the word "fuck"
<form name="modulo">
<input type="text" name="mytext">
<input type="button" value="Filter" onClick="ProfanityFilter()">
</form>
</body>
</html>
