Fix deprecated use of '\' as described in https://bugs.python.org/issue27364 (Deprecated in Python 3.6, will become SyntaxError in a future release)

git-svn-id: svn://svn.code.sf.net/p/pyparsing/code/trunk@457 9bf210a0-9d2d-494c-87cf-cfb32e7dff7b

1 files changed, 3 insertions, 3 deletions

diff --git a/src/examples/btpyparse.py b/src/examples/btpyparse.py
index 6720c19..4fbbac8 100644
--- a/src/examples/btpyparse.py
+++ b/src/examples/btpyparse.py
@@ -54,16 +54,16 @@ number = Regex('[0-9]+')
 

 # Basis characters (by exclusion) for variable / field names.  The following

 # list of characters is from the btparse documentation

-any_name = Regex('[^\s"#%\'(),={}]+')

+any_name = Regex('[^\\s"#%\'(),={}]+')

 

 # btparse says, and the test bibs show by experiment, that macro and field names

 # cannot start with a digit.  In fact entry type names cannot start with a digit

 # either (see tests/bibs). Cite keys can start with a digit

-not_digname = Regex('[^\d\s"#%\'(),={}][^\s"#%\'(),={}]*')

+not_digname = Regex('[^\\d\\s"#%\'(),={}][^\\s"#%\'(),={}]*')

 

 # Comment comments out to end of line

 comment = (AT + CaselessLiteral('comment') +

-           Regex("[\s{(].*").leaveWhitespace())

+           Regex(r"[\s{(].*").leaveWhitespace())

 

 # The name types with their digiteyness

 not_dig_lower = not_digname.copy().setParseAction(lambda t: t[0].lower())