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- import re
- from django.utils.regex_helper import _lazy_re_compile
- # Regular expression for recognizing HEXEWKB and WKT. A prophylactic measure
- # to prevent potentially malicious input from reaching the underlying C
- # library. Not a substitute for good Web security programming practices.
- hex_regex = _lazy_re_compile(r'^[0-9A-F]+$', re.I)
- wkt_regex = _lazy_re_compile(
- r'^(SRID=(?P<srid>\-?\d+);)?'
- r'(?P<wkt>'
- r'(?P<type>POINT|LINESTRING|LINEARRING|POLYGON|MULTIPOINT|'
- r'MULTILINESTRING|MULTIPOLYGON|GEOMETRYCOLLECTION)'
- r'[ACEGIMLONPSRUTYZ\d,\.\-\+\(\) ]+)$',
- re.I
- )
- json_regex = _lazy_re_compile(r'^(\s+)?\{.*}(\s+)?$', re.DOTALL)
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