仅在标记中用下划线替换空格

Question

data: <product name_here>Product A</product_name here>

I try this $replace = preg_replace('/\\s+/', '_', $replace);

but it show incorrect like this : <product_name_here>Product_A</product_name_here>

Just only replace space with underscore only inside tag name , no need to change space in value

I want like this : <product_name_here>Product A</product_name_here>

Please help.

Answer 1

How about?

$before = '<product name_here>Product A</product_name here>';
$after = preg_replace('/(<[^>]*)\s+([^<]*>)/', '$1_$2', $before);
echo $after;

This should give

<product_name_here>Product A</product_name_here>

The parts before and after \\s+ specify that you don't want the spaces outside of a tag pairing but just the ones who are enclosed between an opening tag < and a closing tag > . The $1 and $2 substitute back in the strings before and after the replaced whitespace.

Answer 2

Can you give a better example?

In my understanding you want this:

You have: Product A

You want: Product A

Is that correct?

If that's the case all you need to do is str_replace(' ','_',$product)

Sorry for my bad english.