Iss #182 - fixed template variables inside regex.

src/datasource-zabbix/utils.js

@@ -23,7 +23,7 @@ export function expandItemName(name, key) {
 }
 
 // Pattern for testing regex
-var regexPattern = /^\/(.*)\/([gmi]*)$/m;
+export var regexPattern = /^\/(.*)\/([gmi]*)$/m;
 
 export function isRegex(str) {
   return regexPattern.test(str);
@@ -36,6 +36,12 @@ export function buildRegex(str) {
   return new RegExp(pattern, flags);
 }
 
+// Need for template variables replace
+// From Grafana's templateSrv.js
+export function escapeRegex(value) {
+  return value.replace(/[\\^$*+?.()|[\]{}\/]/g, '\\$&');
+}
+
 export function parseInterval(interval) {
   var intervalPattern = /(^[\d]+)(y|M|w|d|h|m|s)/g;
   var momentInterval = intervalPattern.exec(interval);