php - regexp match string and digit

Question

I want to match this

{format i=34 ds=11 k=a /}

$patern = "/\{format[a-z0-9=\s]?\/\}/i";

but result is null

In additional question:

string string {format mat=34/} string string string string string string string string 

string string {format mat=34/} string string string string string string string string

$pattern = "/{format[a-z0-9=\s]*\/}/i";

str_replace($pattern, 'test', $strings);

it will replace all formats in string, i want to replace only first "format", and remove all another "format". How ?
when get match result is "{format mat=34/}". i want to find string begin with "mat=".

So i have this

$string = "{format mat=34/}";
$pattern = "/^mat=[0-9]*/"; // result is null
$pattern = "/mat=[0-9]*/"; // ok, but also effect with "{format wrongformat=34/}"

How to match string that begin with "mat="

Because you forgot about a quantifier for your character set. Just replace ? with * — zerkms
– zerkms, Commented Apr 16, 2011 at 16:05
it does ;-) I deleted my that comment after few seconds after I posted it ;-) — zerkms
– zerkms, Commented Apr 16, 2011 at 16:08

phihag · Accepted Answer · 2011-04-16 16:07:07Z

3

To match something multiple times, use *. ? just matches up to one count:

"/\{format[a-z0-9=\s]*\/\}/i"

answered Apr 16, 2011 at 16:07

phihag

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