Question

How to check if string contains special characters in JavaScript

Answer 1

function containsSpecialCharacters(s) {
  	const specialCharacters = /[`!@#$%^&*()_+\-=\[\]{};':"\\|,.<>\/?~]/;
  
  	return specialCharacters.test(s);
}


console.log(containsSpecialCharacters('javascript!')); 
console.log(containsSpecialCharacters('java c++')); 
console.log(containsSpecialCharacters('948')); 
console.log(containsSpecialCharacters('17F')); 
console.log(containsSpecialCharacters('@A')); 
console.log(containsSpecialCharacters('(30)')); 
console.log(containsSpecialCharacters(' '));
console.log(containsSpecialCharacters('python c'));
 
 
 
 
/*
run:
 
true
true
false
false
true
true
false
false
 
*/

 

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