Nor in python:
print re.match(r'\d','੧')
None
print re.match(r'\d','੧')
None
re.match(r'\d', u'੧', re.U)
<_sre.SRE_Match at 0x3070ac0>
sys.version
2.7.3 (default, Mar 4 2013, 14:57:34) \n[GCC 4.7.2] Python 3.2.3 (default, Oct 19 2012, 20:10:41)
[GCC 4.6.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import re
>>> re.match(r'\d', '੧')
<_sre.SRE_Match object at 0x7f188f6d4850>