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-rw-r--r--parsers/survex.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/parsers/survex.py b/parsers/survex.py
index 60c0330..3754035 100644
--- a/parsers/survex.py
+++ b/parsers/survex.py
@@ -118,6 +118,8 @@ class LoadingSurvex():
other survex files.
A 'scanswallet' is what we today call a "survey scans folder" or a "wallet".
"""
+ # python regex flags (?i) means case-insentitive, (?s) means . matches newline too
+ # see https://docs.python.org/3/library/re.html
rx_begin = re.compile(r'(?i)begin')
rx_end = re.compile(r'(?i)end$')
rx_title = re.compile(r'(?i)title$')