首页 \ 问答 \ Javascript验证文本区域以查找SSN(Javascript validating a text area to find a SSN)

Javascript验证文本区域以查找SSN(Javascript validating a text area to find a SSN)

 我正在尝试创建一个文本区域备注字段的快速验证，以查看它是否可能包含一个SSN号码，然后我将为此发出警报。 
 

 我已经尝试了几种不同的RegEx模式，我在网上找到它们，但它们都没有工作。 我想知道如果它的JavaScript是不正确的？ 
 

 我相信，如果它找到一个匹配，那么将会是真的，因此抛出SSN Found警报。 
 

 有人指出我的错误？ 
 

$(document).ready(function() {
  $('[name="submit"]').click(function() {
    validate();
  })
})

// Validate our note field
function validate() {

  var isValid = true,
    notes = $('[name=notes]').val(),
    ssn = new RegExp('^(?!219-09-9999|078-05-1120)(?!666|000|9\d{2})\d{3}-(?!00)\d{2}-(?!0{4})\d{4}$');

    console.log(notes)

  if (ssn.test(notes)) {
    alert('SSN Found');
  }else{
    alert('No SSN Found');
  }

}

 

 JS小提琴： https ： //jsfiddle.net/sgrw4rqf/2/ 

I am trying to create a quick validation of a text area notes field to see if it potentially contains a SSN number which I will then throw an alert for.
 

I have tried a few different RegEx patters I have found online and none of them seem to be working. I am wondering if its my javascript that isn't correct?
 

I believe if it were to find a match, it would be true thus throw the SSN Found alert.
 

Anyone point out my mistake?
 

$(document).ready(function() {
  $('[name="submit"]').click(function() {
    validate();
  })
})

// Validate our note field
function validate() {

  var isValid = true,
    notes = $('[name=notes]').val(),
    ssn = new RegExp('^(?!219-09-9999|078-05-1120)(?!666|000|9\d{2})\d{3}-(?!00)\d{2}-(?!0{4})\d{4}$');

    console.log(notes)

  if (ssn.test(notes)) {
    alert('SSN Found');
  }else{
    alert('No SSN Found');
  }

}

 

JS Fiddle: https://jsfiddle.net/sgrw4rqf/2/

原文：https://stackoverflow.com/questions/49565090
更新时间：2023-09-28 13:09

最满意答案

 从@shieldstroy发布的使用Great Circle Distance发布的问题中得到这个答案的算法，我得到了这个例子的工作。 
 

 这里是Comparator ： 
 

public class SortPlaces implements Comparator<Place> {
    LatLng currentLoc;

    public SortPlaces(LatLng current){
        currentLoc = current;
    }
    @Override
    public int compare(final Place place1, final Place place2) {
        double lat1 = place1.latlng.latitude;
        double lon1 = place1.latlng.longitude;
        double lat2 = place2.latlng.latitude;
        double lon2 = place2.latlng.longitude;

        double distanceToPlace1 = distance(currentLoc.latitude, currentLoc.longitude, lat1, lon1);
        double distanceToPlace2 = distance(currentLoc.latitude, currentLoc.longitude, lat2, lon2);
        return (int) (distanceToPlace1 - distanceToPlace2);
    }

    public double distance(double fromLat, double fromLon, double toLat, double toLon) {
        double radius = 6378137;   // approximate Earth radius, *in meters*
        double deltaLat = toLat - fromLat;
        double deltaLon = toLon - fromLon;
        double angle = 2 * Math.asin( Math.sqrt(
                Math.pow(Math.sin(deltaLat/2), 2) +
                        Math.cos(fromLat) * Math.cos(toLat) *
                                Math.pow(Math.sin(deltaLon/2), 2) ) );
        return radius * angle;
    }
}

 

 这是高级代码，我只是把它放在onCreate() ： 
 

        //My location, San Francisco
        double lat = 37.77657;
        double lng = -122.417506;
        LatLng latLng = new LatLng(lat, lng);

        //set up list
        ArrayList<Place> places = new ArrayList<Place>();

        places.add(new Place("New York", new LatLng(40.571256,73.98369)));
        places.add(new Place("Colorado", new LatLng(39.260658,-105.101615)));
        places.add(new Place("Los Angeles", new LatLng(33.986816,118.473819)));

        for (Place p: places){
            Log.i("Places before sorting", "Place: " + p.name);
        }

        //sort the list, give the Comparator the current location
        Collections.sort(places, new SortPlaces(latLng));

        for (Place p: places){
            Log.i("Places after sorting", "Place: " + p.name);
        }

 

 这是日志输出： 
 

04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places before sorting﹕ Place: New York
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places before sorting﹕ Place: Colorado
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places before sorting﹕ Place: Los Angeles
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places after sorting﹕ Place: Los Angeles
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places after sorting﹕ Place: Colorado
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places after sorting﹕ Place: New York


Taking the algorithm from this answer from the question posted by @shieldstroy, that uses the Great Circle Distance, I got this example working.
 

Here is the Comparator:
 

public class SortPlaces implements Comparator<Place> {
    LatLng currentLoc;

    public SortPlaces(LatLng current){
        currentLoc = current;
    }
    @Override
    public int compare(final Place place1, final Place place2) {
        double lat1 = place1.latlng.latitude;
        double lon1 = place1.latlng.longitude;
        double lat2 = place2.latlng.latitude;
        double lon2 = place2.latlng.longitude;

        double distanceToPlace1 = distance(currentLoc.latitude, currentLoc.longitude, lat1, lon1);
        double distanceToPlace2 = distance(currentLoc.latitude, currentLoc.longitude, lat2, lon2);
        return (int) (distanceToPlace1 - distanceToPlace2);
    }

    public double distance(double fromLat, double fromLon, double toLat, double toLon) {
        double radius = 6378137;   // approximate Earth radius, *in meters*
        double deltaLat = toLat - fromLat;
        double deltaLon = toLon - fromLon;
        double angle = 2 * Math.asin( Math.sqrt(
                Math.pow(Math.sin(deltaLat/2), 2) +
                        Math.cos(fromLat) * Math.cos(toLat) *
                                Math.pow(Math.sin(deltaLon/2), 2) ) );
        return radius * angle;
    }
}

 

Here is the high level code, I just put this in onCreate():
 

        //My location, San Francisco
        double lat = 37.77657;
        double lng = -122.417506;
        LatLng latLng = new LatLng(lat, lng);

        //set up list
        ArrayList<Place> places = new ArrayList<Place>();

        places.add(new Place("New York", new LatLng(40.571256,73.98369)));
        places.add(new Place("Colorado", new LatLng(39.260658,-105.101615)));
        places.add(new Place("Los Angeles", new LatLng(33.986816,118.473819)));

        for (Place p: places){
            Log.i("Places before sorting", "Place: " + p.name);
        }

        //sort the list, give the Comparator the current location
        Collections.sort(places, new SortPlaces(latLng));

        for (Place p: places){
            Log.i("Places after sorting", "Place: " + p.name);
        }

 

Here is the log output:
 

04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places before sorting﹕ Place: New York
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places before sorting﹕ Place: Colorado
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places before sorting﹕ Place: Los Angeles
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places after sorting﹕ Place: Los Angeles
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places after sorting﹕ Place: Colorado
04-17 23:04:16.074  12963-12963/com.maptest.daniel.maptest I/Places after sorting﹕ Place: New York

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