1 files changed, 22 insertions, 0 deletions
diff --git a/lib/util.js b/lib/util.js
index b6691af..3ce50c5 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -50,6 +50,28 @@ var isInList = exports.isInList = function isInList(mbr, list) {
 };
 
 /**
+ * select element of the array where regexp in the first element matches second
+ * parameter of this function
+ *
+ * @param list Array with regexps and return values
+ * @param chosingMark String by which the element of array is to be matched
+ * @return Object chosen element
+ */
+exports.filterByRegexp = function filterByRegexp(list, chosingMark) {
+    let chosenPair = [];
+    if (list.length > 0) {
+        chosenPair = list.filter(function(pair) {
+            return new RegExp(pair.regexp, "i").test(chosingMark);
+        });
+    }
+    if (chosenPair.length > 0) {
+        return chosenPair[0].addr;
+    } else {
+        return "";
+    }
+};
+
+/**
  * format date to be in ISO format (just day part)
  *
  * @param date