Hi all. I need help in replacing the 5th number to 2 in all the numbers in bulk. I have 5000 numbers to replace to a single digit. Please help me sort this out. Please see the sample below. Thanks.
03214934338
03216232859
03214791496
03212923342
03213192614
03211901833
03214557002
03215201951
03216486010
03213476555
03211331124
03212499960
03216085452
03216150389
03218023189
03215573889
03213265385
03214650373
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