js get number from string

"1.23-45/6$7.8,9".replace(/[^0-9]/g,'')

// Response: "123456789"

4
3
Awgiedawgie 440220 points

                                    const num = 123; //> type number 123
const str = num.toString(); //> type string "123"

4 (3 Votes)
0
4.33
9
Awgiedawgie 440220 points

                                    
// Html: <span id="foo">280ms</span>

var text = $('#foo').text();
var number = parseInt(text, 10);
alert(number);

// parseInt('ms120'.replace(/[^0-9\.]/g, ''), 10);

4.33 (9 Votes)
0
4.11
9
Phoenix Logan 186125 points

                                    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.
}

4.11 (9 Votes)
0
3.33
3
Phoenix Logan 186125 points

                                     thenum = "foo3bar5".match(/\d+/)[0] // "3"

3.33 (3 Votes)
0
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