javascript - validate numeric with 1 special character -

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I want to validate numerical and allow + (plus sign), but it is not working < / P>

Do I want 

  +63443 -> Ok 8452 - & gt; Ok s55sd - & gt; It is my code  
  var nom = $ ("# addKonId1"). Val (). Split ("") .join ("") .replace (/ ^ \ s \ s * /, '') Replace (/ \ s \s * $ /, ''); Var intergroup = / ^ \ D + $ /; If (IntRegex.test (dot)) {Warning ("wrong number"); } And {warning (noam); }

Regular expression of what you are looking for: 

  ^ \ +? \ D + $

which means "alternately after the beginning of a string with a plus sign after one or more points".

Your regex now just tests for a string that starts with one or more digit characters Change intRegex as such: 

 < Code> var intRegex = / ^ \ +? \ D + $ / /

On a side note, what you can do when you take the place in your first line: 

  var Nom = $ ( "#AddKonId1"). Val (). Division ("") .join (""). Trim ();

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