Strip all non-numeric characters from string in JavaScript

Question

Consider a non-DOM scenario where you d want to remove all non-numeric characters from a string using JavaScript ECMAScript  Any characters that are in range 0 - 9 should be kept   var myString    abc123 8 lt blah gt       desired output is 1238   How would you achieve this in plain JavaScript  Please remember this is a non-DOM scenario  so jQuery and other solutions involving browser and keypress events aren t suitable

User · Answer

Unfortunately none of the answers above worked for me.

I was looking to convert currency numbers from strings like $123,232,122.11 (1232332122.11) or USD 123,122.892 (123122.892) or any currency like ? 98,79,112.50 (9879112.5) to give me a number output including the decimal pointer.

Had to make my own regex which looks something like this:

str = str.match(/\d|\./g).join('');

User · Answer

Use the string s  replace method with a regex of  D  which is a shorthand character class that matches all non-digits   myString   myString replace   D g

User · Answer

If you need this to leave the dot for float numbers  use this   var s    -12345 50      replace     d -  g          gives  -12345 50

User · Answer

In Angular   Ionic   VueJS -- I just came up with a simple method of   stripNaN txt  any        return txt toString   replace    a-zA-Z0-9  g           Usage on the view    lt a  href    tel   stripNaN single meta  phone      innerHTML   stripNaN single meta  phone     gt  lt  a gt

User · Answer

Short function to remove all non-numeric characters but keep the decimal  and return the number     x000D   x000D  parseNum   str   gt   str replace      d  g       x000D  let str    a1b2c d3e   x000D  console log parseNum str    x000D   x000D   x000D

User · Answer

we are in 2017 now you can also use ES2016  var a    abc123 8 lt blah gt    console log     a  filter  e   gt  isFinite e   join         or  console log      abc123 8 lt blah gt    filter  e   gt  isFinite e   join           The result is  1238

User · Answer

You can use a RegExp to replace all the non-digit characters   var myString    abc123 8 lt blah gt    myString   myString replace     d  g          1238

User · Answer

Use a regular expression  if your script implementation supports them  Something like    myString replace    0-9  g

User · Answer

try  myString match   d g  join      x000D   x000D  var myString    abc123 8 lt blah gt   x000D  console log  myString match   d g  join      x000D   x000D   x000D

User · Answer

Something along the lines of   yourString   yourString replace      0-9  g

[javascript] Strip all non-numeric characters from string in JavaScript

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