Tell us what’s happening:
in a first loop while using regex i am getting this result why it generating false?
n0true
e1false
v2true
e3false
r4true
5false
o6true
d7false
d8true
9false
o10true
r11false
12false
e13true
v14false
e15true
n16false
Your code so far
function palindrome(str) {
let regex=/[a-z0-9]/ig;
let strArr=str.split("");
let newArr=[];
let flag=0;
for(let i=0;i<strArr.length;i++)
{ let test=regex.test(strArr[i]);
console.log(strArr[i],i,test);
if(test)
{
newArr.push(strArr[i]);
}
}
newArr=newArr.join("").toUpperCase();
for(let i=0;i<newArr.length;i++){
if(newArr[i]!==newArr[newArr.length-(i+1)])
{
flag=1;
break;
}
}
if(flag===0)
{
return true;
}
else
{
return false;
}
}
palindrome("never odd or even");
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Challenge: Palindrome Checker
Link to the challenge: