Answers for "integer regex javascript"

just number regex js

// https://regex101.com/r/qyq3PG/1
// or 
/^[0-9]*$/

javascript regex number

let test = "1(919)-723-9378"
console.log(test.replace(/[^\d]/g, "")) // output: 19197239378
/\D/g     //\D is everything not \d
/[^\d]/g  //\d is numerical characters 0-9
/[^0-9]/g //The ^ inside [] means not, so in this case, not numerical characters

number pattern js

/^[\+\-]?\d*\.?\d+(?:[Ee][\+\-]?\d+)?$/

/* 
	matched values:
    -2.14e10
    +14E-20
    42.69
*/