For example:
Accept:
text
Text
Don't accept:
text1
text@
123@#
Te12$
For example:
Accept:
text
Text
Don't accept:
text1
text@
123@#
Te12$
Try this:
const isValid = str => /^[a-zA-Z]{2,5}$/.test(str);
console.log(isValid('test')); // true
console.log(isValid('Test')); // true
console.log(isValid('test1')); // false
console.log(isValid('text@')); // false
console.log(isValid('123@#')); // false
console.log(isValid('Te12$')); // false