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08-20-2009
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How to substitute brackets in the beginning of string in perl?
Hi, I have a string like this user can specify different query sets that is why "or" is mentioned: Code:
$string="[[:<:]](";
or
$string="[[:<:]]((";
or
$string="[[:<:]](((";
or
$string="[[:>:]](((((";
What i have to do is substitute these brackets in the beginning. I tried like this: Code:
if($string=~/\[\[:<:\]\]\(/)
{
$string=~s/\[\[:<:\]\]\(/\(\[\[:<:\]\]/g;
}
elsif($string=~/[[:<:]]\(\(/)
{
#same here
}
elsif($string=~/[[:<:]]\(\(\(/)
{
#same here
}
elsif($string=~/[[:<:]]\(\(\(\(/)
{
#same here
}
elsif($string=~/[[:<:]]\(\(\(\(\(/)
{
#same here
}
If statement i can use but i will be not be sure how many brackets will be there to substitute in the beginning? I have to avoid this if loop!! The output should be like this. Code:
$string="\([[:<:]]"; or $string="\(\([[:<:]]"; or $string="\(\(\([[:<:]]"; etc like this all these different string examples are based on the users query sets that is why i just mentioned or such that user can give either like first string ( [[:<:]]\( ) or like second string ( [[:<:]]\(\( ). How can i put or substitute brackets in the beginning of the sting? Any ideas??? Regards Vanitha |
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