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-rw-r--r--src/rebar_utils.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl
index ab5167f..0c95c69 100644
--- a/src/rebar_utils.erl
+++ b/src/rebar_utils.erl
@@ -293,7 +293,7 @@ expand_env_variable(InStr, VarName, RawVarValue) ->
VarValue = re:replace(RawVarValue, "\\\\", "\\\\\\\\", ReOpts),
%% Use a regex to match/replace:
%% Given variable "FOO": match $FOO\s | $FOOeol | ${FOO}
- RegEx = io_lib:format("\\\$(~s(\\s|$)|{~s})", [VarName, VarName]),
+ RegEx = io_lib:format("\\\$(~s(\\W|$)|{~s})", [VarName, VarName]),
re:replace(InStr, RegEx, [VarValue, "\\2"], ReOpts)
end.