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How to Filter Numbers Of A String


Not really jQuery at all:

number = number.replace(/\D/g, '');

That regular expression, /\D/g, matches any non-digit. Thus the call to .replace() replaces all non-digits (all of them, thanks to "g") with the empty string.

edit — if you want an actual *number value, you can use parseInt() after removing the non-digits from the string:

var number = "number32"; // a string
number = number.replace(/\D/g, ''); // a string of only digits, or the empty string
number = parseInt(number, 10); // now it's a numeric value

If the original string may have no digits at all, you'll get the numeric non-value NaN from parseIntin that case, which may be as good as anything.

[출처] https://stackoverflow.com/questions/4460595/jquery-filter-numbers-of-a-string


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