Search by regex and multiple search

README.md

@@ -126,6 +126,15 @@ langs.has("name", "Geordie");
 
 langs.has("high", "fives");
 // false
+
+langs.where("name", /af/i);
+// {"name":"Afar", "local":"Afaraf", "1":"aa", "2":"aar", "2T":"aar", "2B":"aar", "3":"aar"}
+
+langs.where("name", /Af/, true);
+// [
+//   {"name":"Afar", "local":"Afaraf", "1":"aa", "2":"aar", "2T":"aar", "2B":"aar", "3":"aar"},
+//   {"name":"Afrikaans", "local":"Afrikaans", "1":"af", "2":"afr", "2T":"afr", "2B":"afr", "3":"afr"}
+// ]
 ```
 
 ## Contributing

index.js

@@ -37,12 +37,24 @@ function getNames(local) {
 }
 
 // findBy :: String, String -> Language
-function findBy(crit, val) {
+function findBy(crit, val, multiple = false) {
+    let result = [];
+
     for (var i = 0; i < data.length; i++) {
-        if (val === data[i][crit]) {
-            return data[i];
+        if (
+            val instanceof RegExp && val.test(data[i][crit])
+            || val === data[i][crit]
+        ) {
+            if(!multiple){
+                return data[i];
+            }
+            result.push(data[i]);
         }
     }
+
+    if(multiple){
+        return result;
+    }
 }
 
 // forAll :: Array, Function -> Array

test.js

@@ -10,6 +10,8 @@ suite('langs:', function () {
         data = require('./data');
         eng = data[40];
         kor = data[85];
+        aar = data[1];
+        afr = data[2];
     });
 
     test('`langs` is an object', function () {
@@ -321,6 +323,14 @@ suite('langs:', function () {
             assert.strictEqual(langs.where(3, "eng"), eng);
         });
 
+        test('`langs.where("name", /english/i)` is `{"name":"English", "local":"English", "1":"en", "2":"eng", "2T":"eng", "2B":"eng", "3":"eng"}`', function () {
+            assert.deepEqual(langs.where("name", /english/i), eng);
+        });
+
+        test('`langs.where("name", /english/i, true)` is `[{"name":"Afar", "local":"Afaraf", "1":"aa", "2":"aar", "2T":"aar", "2B":"aar", "3":"aar"},{"name":"Afrikaans", "local":"Afrikaans", "1":"af", "2":"afr", "2T":"afr", "2B":"afr", "3":"afr"}]`', function () {
+            assert.deepEqual(langs.where("name", /Af/, true), [aar, afr]);
+        });
+
         test('`langs.where("name", "Korean")` is `{"name":"Korean", "local":"한국어", "1":"ko", "2":"kor", "2T":"kor", "2B":"kor", "3":"kor"}`', function () {
             assert.strictEqual(langs.where("name", "Korean"), kor);
         });
@@ -369,6 +379,10 @@ suite('langs:', function () {
             assert.isUndefined(langs.where("local", "Geordie"));
         });
 
+        test('`langs.where("local", /한국z$/)` is undefined', function () {
+            assert.isUndefined(langs.where("local", /한국z$/), kor);
+        });
+
         test('`langs.where("1", "zz")` is undefined', function () {
             assert.isUndefined(langs.where("1", "zz"));
         });