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-rw-r--r--src/string.cpp1
-rw-r--r--src/string_type.h1
2 files changed, 2 insertions, 0 deletions
diff --git a/src/string.cpp b/src/string.cpp
index 16e1e7099..58ac00a6c 100644
--- a/src/string.cpp
+++ b/src/string.cpp
@@ -202,6 +202,7 @@ bool IsValidChar(WChar key, CharSetFilter afilter)
case CS_NUMERAL: return (key >= '0' && key <= '9');
case CS_NUMERAL_SPACE: return (key >= '0' && key <= '9') || key == ' ';
case CS_ALPHA: return IsPrintable(key) && !(key >= '0' && key <= '9');
+ case CS_HEXADECIMAL: return (key >= '0' && key <= '9') || (key >= 'a' && key <= 'f') || (key >= 'A' && key <= 'F');
}
return false;
diff --git a/src/string_type.h b/src/string_type.h
index 40c1e2dc7..2fb8d8f57 100644
--- a/src/string_type.h
+++ b/src/string_type.h
@@ -20,6 +20,7 @@ enum CharSetFilter {
CS_NUMERAL, ///< Only numeric ones
CS_NUMERAL_SPACE, ///< Only numbers and spaces
CS_ALPHA, ///< Only alphabetic values
+ CS_HEXADECIMAL, ///< Only hexadecimal characters
};
typedef uint32 WChar;