Generate a String that matches a RegEx in Python [duplicate]

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I’ve been working on a little helper library for generating random strings with Python

It includes a method, xeger() that allows you to create a string from a regex:

>>> import rstr
>>> rstr.xeger(r'[A-Z]\d[A-Z] \d[A-Z]\d')
u'M5R 2W4'

Right now, it works with most basic regular expressions.

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