regex problem

[mraza]

Hi i wants to add a word before a text but it is not showing property , please can anyone help

 

<?php$a = "Your Tax id is T34Y65 and other text";$a = preg_replace('/T[0-9]{2}Y[0-9]{2}/',"= (\1)",$a);echo $a;?>

 

i wants this

Your Tax id is T34Y65 and other text

to

Your Tax id is = T34Y65 and other text

 

but it gives empty. like "Your Tax id is = and other text"

[DavidAM]

In your replacement string you are referencing the first captured string, but you are not capturing any strings in your pattern.  You need to put parenthesis around the pattern to be captured and you don't put them around the replacement:

 

preg_replace('/(T[0-9]{2}Y[0-9]{2})/',"= \1",$a);

[mraza]

Thanks solved