how to check for special characters in javascript
var format = /[!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?]+/;
if(format.test(string)){
return true;
} else {
return false;
}how to check for special characters in javascript
var format = /[!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?]+/;
if(format.test(string)){
return true;
} else {
return false;
}how to block special characters in javascript
var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";
for (var i = 0; i < document.formname.fieldname.value.length; i++) {
if (iChars.indexOf(document.formname.fieldname.value.charAt(i)) != -1) {
alert ("Your username has special characters. \nThese are not allowed.\n Please remove them and try again.");
return false;
}
}Copyright © 2021 Codeinu
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