elasticsearch regex escape of '.' for case insensitivity backend options

Signed-off-by: Nate Guagenti <neu5ron@users.noreply.github.com>
2020-08-25 13:10:25 -04:00
parent 474e04dfe3
commit a7ffb96b6b
1 changed files with 2 additions and 0 deletions
@@ -217,6 +217,8 @@ class ElasticsearchWildcardHandlingMixin(object):
            #value = re.sub( r"((?<!\\)(\\))\*$", "\g<1>\\*", value )
            # Make upper/lower
            value = re.sub( r"[A-Za-z]", lambda x: "[" + x.group( 0 ).upper() + x.group( 0 ).lower() + "]", value )
+            # Turn `.` into wildcard, only if odd number of '\'(because this would mean already escaped)
+            value = re.sub( r"(((?<!\\)(\\\\)+)|(?<!\\))\.", "\g<1>\.", value )
            # Turn `*` into wildcard, only if odd number of '\'(because this would mean already escaped)
            value = re.sub( r"(((?<!\\)(\\\\)+)|(?<!\\))\*", "\g<1>.*", value )
            # Escape additional values that are treated as specific "operators" within Elastic. (ie: @, ?, &, <, >, and ~)