From 531227a482e3f66f2f3d3dc196d946df8a28391f Mon Sep 17 00:00:00 2001
From: Thilo Graf <dbt@novatux.de>
Date: Thu, 28 Mar 2019 11:28:47 +0100
Subject: [PATCH] helpers: add isDigitWord() function

returns true if all chars of string parameter are digits
---
 src/system/helpers.cpp | 9 +++++++++
 src/system/helpers.h   | 2 ++
 2 files changed, 11 insertions(+)

diff --git a/src/system/helpers.cpp b/src/system/helpers.cpp
index a9d4e88df..01b1add18 100644
--- a/src/system/helpers.cpp
+++ b/src/system/helpers.cpp
@@ -1742,4 +1742,13 @@ std::string encodeUrl(std::string txt)
 	return txt;
 }
 
+bool isDigitWord(std::string str)
+{
+	for (size_t i=0; i < str.size(); i++)
+		if (!isdigit(str[i]))
+			return false;
+
+	return true;
+}
+
 //
diff --git a/src/system/helpers.h b/src/system/helpers.h
index d51b42ee8..31029f314 100644
--- a/src/system/helpers.h
+++ b/src/system/helpers.h
@@ -182,5 +182,7 @@ std::string decodeUrl(std::string url);
 bool getUrl(std::string &url, std::string &answer, const std::string userAgent = " ", unsigned int timeout = 60);
 bool downloadUrl(std::string url, std::string file, const std::string userAgent = " ", unsigned int timeout = 60);
 
+bool isDigitWord(std::string str);
+
 //
 #endif