blob: 8b5e72eb064ca8bc5fe6220780e04db57abe4481 (
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diff --git a/CMake/FindExprTk.cmake b/CMake/FindExprTk.cmake
index 2886e7ed71..cb8a875725 100644
--- a/CMake/FindExprTk.cmake
+++ b/CMake/FindExprTk.cmake
@@ -24,7 +24,7 @@ if (ExprTk_INCLUDE_DIR)
set(ExprTk_VERSION)
foreach (_exprtk_version_line IN LISTS _exprtk_version_header)
if ("${ExprTk_VERSION}" STREQUAL "")
- string(REGEX MATCH "version = \"(2\.7[0-9.]+)\".*$" _exprtk_version_match "${_exprtk_version_line}")
+ string(REGEX MATCH [[version = "(2\.7[0-9.]+)".*$]] _exprtk_version_match "${_exprtk_version_line}")
set(ExprTk_VERSION "${CMAKE_MATCH_1}")
else ()
string(REGEX MATCH "\"([0-9.]+)\".*$" _exprtk_version_match "${_exprtk_version_line}")
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