I have a string likes
AA-12,AB-1,AC-11,AD-8,AE-30 I want to get number only from this string likes
12,1,11,8,30 How can I get this using JavaScript ? Thanks :)
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4 Answers
Use a regex, eg
var numbers = yourString.match(/\d+/g); numbers will then be an array of the numeric strings in your string, eg
["12", "1", "11", "8", "30"] 
2 Comments
Maxim Zhukov
Looks like you forget about join with comma separator
Phil
@FSou1 I forgot nothing. An array is much easier to work with and can be transformed into a comma delimited string easily enough using
numbers.join(',')Also if you want a string as the result
'AA-12,AB-1,AC-11,AD-8,AE-30'.replace(/[^0-9,]/g, '') 
Comments
var t = "AA-12,AB-1,AC-11,AD-8,AE-30"; alert(t.match(/\d+/g).join(',')); Working example: http://jsfiddle.net/tZQ9w/2/
Comments
if this is exactly what your input looks like, I'd split the string and make an array with just the numbers:
var str = "AA-12,AB-1,AC-11,AD-8,AE-30"; var nums = str.split(',').map(function (el) { return parseInt(el.split('-')[1], 10); }); The split splits the string by a delimiter, in this case a comma. The returned value is an array, which we'll map into the array we want. Inside, we'll split on the hyphen, then make sure it's a number.
Output:
nums === [12,1,11,8,30]; I have done absolutely no sanity checks, so you might want to check it against a regex:
/^(\w+-\d+,)\w+-\d+$/.test(str) === true You can follow this same pattern in any similar parsing problem.
