CODEWITHSUNDEEP
pythonpython-3.x
sanforyou
sanforyou

Reputation: 455

re.sub not giving expected result in python

This might be something really simple but why re.sub is not working in below scenario? I want to replace "z4" with "z3"

import re

group2="(a1, a2, a3, a4, z1, z2, z3, z4);"
print("group2=",group2)

re.sub('z4','z3',group2)

print("modified gorup2=",group2)

Here is the output:

group2= (a1, a2, a3, a4, z1, z2, z3, z4);
modified gorup2= (a1, a2, a3, a4, z1, z2, z3, z4);

Process finished with exit code 0

Upvotes: 0

Views: 35

Answers (1)

mad_
mad_

Reputation: 8273

re.sub will return a new string import re

group2="(a1, a2, a3, a4, z1, z2, z3, z4);"
print("group2=",group2)

modified_group=re.sub('z4','z3',group2)

print("modified gorup2=",modified_group)

Output

group2= (a1, a2, a3, a4, z1, z2, z3, z4);
modified gorup2= (a1, a2, a3, a4, z1, z2, z3, z3);

Upvotes: 2

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