1 files changed, 8 insertions, 0 deletions

diff --git a/client/src/app/shared/forms/form-validators/host.ts b/client/src/app/shared/forms/form-validators/host.ts
new file mode 100644
index 000000000..c18a35f9b
--- /dev/null
+++ b/client/src/app/shared/forms/form-validators/host.ts
@@ -0,0 +1,8 @@
+export function validateHost (value: string) {
+  // Thanks to http://stackoverflow.com/a/106223
+  const HOST_REGEXP = new RegExp(
+    '^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$'
+  )
+
+  return HOST_REGEXP.test(value)
+}