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-rw-r--r--Help/command/if.rst2
-rw-r--r--Help/command/string.rst2
2 files changed, 3 insertions, 1 deletions
diff --git a/Help/command/if.rst b/Help/command/if.rst
index 2a087d0..f0a9588 100644
--- a/Help/command/if.rst
+++ b/Help/command/if.rst
@@ -103,7 +103,7 @@ Possible expressions are:
``if(<variable|string> MATCHES regex)``
True if the given string or variable's value matches the given regular
- expression.
+ expression. See :ref:`Regex Specification` for regex format.
``if(<variable|string> LESS <variable|string>)``
True if the given string or variable's value is a valid number and less
diff --git a/Help/command/string.rst b/Help/command/string.rst
index 7199178..fe38c99 100644
--- a/Help/command/string.rst
+++ b/Help/command/string.rst
@@ -77,6 +77,8 @@ The replace expression may refer to paren-delimited subexpressions of the
match using ``\1``, ``\2``, ..., ``\9``. Note that two backslashes (``\\1``)
are required in CMake code to get a backslash through argument parsing.
+.. _`Regex Specification`:
+
Regex Specification
"""""""""""""""""""