Found unnecessary escape characters JS-0097
Anti-pattern
Minor
a month ago
—
4 months old
Unnecessary escape character: \[
6
7function validEmail(email) {
8 let re =
9 /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;10 return re.test(email);
11}
12function onChangeEvent(event){Unnecessary escape character: \[
6
7function validEmail(email) {
8 let re =
9 /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;10 return re.test(email);
11}
12function onChangeEvent(event){
Description
Escaping non-special characters in strings, template literals, and regular expressions doesn't have any effect.
Bad Practice
"\'";
'\"';
"\#";
"\e";
`\"`;
`\"${foo}\"`;
`\#{foo}`;
/\!/;
/\@/;
Recommended
"\"";
'\'';
"\x12";
"\u00a9";
"\371";
"xs\u2111";
`\``;
`\${${foo}}`;
`$\{${foo}}`;
/\/g;
/\t/g;
/\w\$\*\^\./;