find number in string javascript code example
Example 1: js extract only numbers from string
"1.23-45/6$7.8,9".replace(/[^0-9]/g,'')
// Response: "123456789"
Example 2: js get number from string
thenum = "foo3bar5".match(/\d+/)[0] // "3"
Example 3: javascript find a digit in str
var regex = /\d+/g;
var string = "Any string you want!";
var matches = string.match(regex); // creates array from matches
if (matches){
// There is a digit in the string.
} else {
// No Digits found in the string.
}
Example 4: how to find number in string javascript
var str = 10