From 401564a7781d6ef8d36b2cc231e4ef64bea09ca0 Mon Sep 17 00:00:00 2001
From: Dmitry Borisenko <49808844+DmitryBorisenko33@users.noreply.github.com>
Date: Sat, 2 Jan 2021 13:07:45 +0100
Subject: [PATCH] =?UTF-8?q?=D0=9F=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA?=
 =?UTF-8?q?=D0=B0=20=D0=B4=D1=80=D0=BE=D0=B1=D0=B5=D0=B9=20=D0=B8=20=D0=BE?=
 =?UTF-8?q?=D1=82=D1=80=D0=B8=D1=86=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD?=
 =?UTF-8?q?=D1=8B=D1=85=20=D1=87=D0=B8=D1=81=D0=B5=D0=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 include/Utils/StringUtils.h |  4 +++-
 src/Tests.cpp               |  2 ++
 src/Utils/StringUtils.cpp   | 10 ++++++++++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/include/Utils/StringUtils.h b/include/Utils/StringUtils.h
index 2bf412cc..e98a8f76 100644
--- a/include/Utils/StringUtils.h
+++ b/include/Utils/StringUtils.h
@@ -26,7 +26,9 @@ size_t itemsCount2(String str, const String& separator);
 
 size_t itemsCount(String& str, const char* delim);
 
-boolean isDigitStr(const String&);
+boolean isDigitStr(const String& str);
+
+boolean isDigitDotCommaStr(const String& str);
 
 String prettyBytes(size_t size);
 
diff --git a/src/Tests.cpp b/src/Tests.cpp
index 0ce15233..b274c711 100644
--- a/src/Tests.cpp
+++ b/src/Tests.cpp
@@ -8,6 +8,8 @@
 void testsPerform() {
     Serial.println("====some tests section====");
 
+    //Serial.println(isDigitDotCommaStr("-12552.5555"));
+
     //String str = "Geeks for Geeks ";
     //
     //Serial.println(itemsCount2(str, " "));
diff --git a/src/Utils/StringUtils.cpp b/src/Utils/StringUtils.cpp
index 08ec5fa9..11e110bd 100644
--- a/src/Utils/StringUtils.cpp
+++ b/src/Utils/StringUtils.cpp
@@ -114,6 +114,16 @@ boolean isDigitStr(const String& str) {
     return str.length();
 }
 
+boolean isDigitDotCommaStr(const String& str) {
+    for (size_t i = 0; i < str.length(); i++) {
+        char latter = str.charAt(i);
+        if (!isDigit(latter) && latter != '.' && latter != '-') {
+            return false;
+        }
+    }
+    return true;
+}
+
 String prettyBytes(size_t size) {
     if (size < 1024)
         return String(size) + "b";