logdoctor/utilities/strings.cpp

@@ -2,6 +2,8 @@
 
 #include "chars.h"
 
+#include <QStringView>
+
 
 namespace StringOps
 {
@@ -17,6 +19,14 @@ size_t count( std::string_view str, std::string_view flag ) noexcept
 }
 
 
+bool isNumeric( QStringView str ) noexcept
+{
+    return str.empty()
+         ? false
+         : std::all_of( str.cbegin(), str.cend(), [](const QChar c){ return c.isDigit(); } );
+}
+
+
 std::string strip( const std::string& str, const char chr ) noexcept
 {
     if (const size_t start{ str.find_first_not_of( chr ) }; start != std::string::npos ) {

logdoctor/utilities/strings.h

@@ -8,6 +8,9 @@
 #include <algorithm>
 
 
+class QStringView;
+
+
 //! StringOps
 /*!
     Utilities for the strings
@@ -15,7 +18,7 @@
 namespace StringOps
 {
 
-//! Count the occurrences of the given sequence in the given string
+//! Counts the occurrences of the given sequence in the given string
 /*!
     \param str The target string
     \param flag The character to find
@@ -26,7 +29,7 @@ inline size_t count( std::string_view str, const char flag ) noexcept
     return static_cast<size_t>( std::count( str.cbegin(), str.cend(), flag ) );
 }
 
-//! Count the occurrences of the given sequence in the given string
+//! Counts the occurrences of the given sequence in the given string
 /*!
     \param str The target string
     \param flag The string to find
@@ -46,6 +49,13 @@ inline bool isNumeric( std::string_view str ) noexcept
          : std::all_of( str.cbegin(), str.cend(), CharOps::isNumeric );
 }
 
+//! Checks whether a string only contains numeric characters
+/*!
+    \param str The target string
+    \return The result of the check
+*/
+bool isNumeric( QStringView str ) noexcept;
+
 //! Checks whether a string only contains alphabetic characters
 /*!
     \param str The target string