3 files changed, 13 insertions, 0 deletions

diff --git a/client/src/app/shared/form-validators/index.ts b/client/src/app/shared/form-validators/index.ts
new file mode 100644
index 000000000..f9e9a6191
--- /dev/null
+++ b/client/src/app/shared/form-validators/index.ts
@@ -0,0 +1 @@
+export * from './url.validator';
diff --git a/client/src/app/shared/form-validators/url.validator.ts b/client/src/app/shared/form-validators/url.validator.ts
new file mode 100644
index 000000000..67163b4e9
--- /dev/null
+++ b/client/src/app/shared/form-validators/url.validator.ts
@@ -0,0 +1,11 @@
+import { FormControl } from '@angular/forms';
+
+export function validateUrl(c: FormControl) {
+  let URL_REGEXP = new RegExp('^https?://(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)$');
+
+  return URL_REGEXP.test(c.value) ? null : {
+    validateUrl: {
+      valid: false
+    }
+  };
+}
diff --git a/client/src/app/shared/index.ts b/client/src/app/shared/index.ts
index c05e8d253..9edf9b4a0 100644
--- a/client/src/app/shared/index.ts
+++ b/client/src/app/shared/index.ts
@@ -1,3 +1,4 @@
 export * from './auth';
+export * from './form-validators';
 export * from './search';
 export * from './users';