i have the following ereg_replace statement:
ereg_replace ( ".*alternative0=\"[^\"]*\"[ ]{0,10}>", "", $v );
since ereg_replace is deprecated I would like to upgrade it to preg_replace and I also want to upgrade my code so only the first occurrence will be replaced.
preg_replace ("/.*alternative0=\".*?\".*>/", "", $v,1 );
but it seems to work partially.
the major problem is that when I have whitespace between the " and > my preg does not work
here are some example strings i want to to change:
<tag type="head" alternative0="not head">{!head!}</tag>
<tag type="tail" alternative0="tail>{!not tail!}</tag>
but it also may be:
<tag type="head" alternative0="not head">{!
xxxx !}</tag>
or even:
<tag type="header" alternative0="not head " > {! blah bla !}</tag>
You will have a more efficient pattern with this:
preg_replace ('/.*alternative0="[^"]++"[^>]*+>/', "", $v, 1);
You can't use something like: .*> because the dot match all characters and the quantifier * is greedy thus the .* match the final > too and the > from the pattern is never matched or not matched at the good offset.