如何重新格式化字符串

Question

I have the following string:

1)what is capital of india?a)bangloreb)delhic)Hyderabad2)what is capital of telangana?a)hydb)khammamc)warangal

How can I change it to:

1)what is capital of India? A)Bangalore B)Delhi C)Hyderabad

2)what is capital of telangana? A)Hyd B)khammam C)waranagal

Answer 1

<?php
$data ="1)what is capital of india?a)bangloreb)delhic)Hyderabad2)what is capital of telangana?a)hydb)khammamc)warangal";
$data= str_replace("a)"," A)","$data");
$data= str_replace("b)"," B)","$data");
$data= str_replace("c)"," C)","$data");
$data= str_replace("d)"," D)","$data");

echo str_replace("2)"," <br/>2)","$data");

?>