Question

How to check whether a string matches a RegEx with min N letters and numbers in JavaScript

Answer 1

console.log(/^([a-z0-9]{3,})$/.test('x1')); 

console.log(/^([a-z0-9]{3,})$/.test('x')); 

console.log(/^([a-z0-9]{3,})$/.test('xyz')); 

console.log(/^([a-z0-9]{3,})$/.test('123')); 

console.log(/^([a-z0-9]{3,})$/.test('x12')); 

console.log(/^([a-z0-9]{3,})$/.test('abc123')); 


    
    
/*
run:
    
false
false
true
true
true
true
    
*/

 

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Answer 2

const s = 'x12';

if (s.match(/^([a-z0-9]{3,})$/)) {
  console.log("Match");
}
else {
	console.log("Not match");
}


    
    
/*
run:
    
"Match"
    
*/

 

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