On 2/17/2013 1:34 AM, Jason Friedman wrote:
I want to tell whether an object is a regular expression pattern.
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
s = "hello"
type(s)
<class 'str'>
isinstance(s, str)
True
my_pattern = re.compile(s)
type(my_pattern)
<class '_sre.SRE_Pattern'>
The .__name__ attribute of the class is '_sre.SRE_Pattern'
isinstance(my_pattern, _sre.SRE_Pattern)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name '_sre' is not defined
but the class is not bound to a (builtin) name, including not to
_sre.SRE_Pattern
--
Terry Jan Reedy
--
http://mail.python.org/mailman/listinfo/python-list