language: Python 3 (python-3.2.3)
date: 446 days 22 hours ago
link:
visibility: private 
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import re
 
s = '\\(2 \\, e^{\\left(2 \\, x\\right)} \\sin\\left(2 \\, x\\right) + 2 \\, e^{\\left(2 \\, x\\right)} \\cos\\left(2 \\, x\\right)\\)'
print(re.sub(r'e\^{\\left\((.*?)\\right\)}', r'e^{\1}', s))