Im looping over a large number of files in a directory, and want to extract all the numeric values in a filename where it starts lin64exe , for instance, lin64exe005458002.17 would match 005458002.17. I have this part sorted, but in the directory there are other files, such as part005458 and others. How can I make it so I only get the numeric (and . ) after lin64exe ?
This is what I have so far:
[^lin64exe][^OTHERTHINGSHERE$][0-9]+
Regex to match the number with decimal point which was just after to lin64exe is,
^lin64exe\K\d+\.\d+$
<?php
$mystring = "lin64exe005458002.17";
$regex = '~^lin64exe\K\d+\.\d+$~';
if (preg_match($regex, $mystring, $m)) {
$yourmatch = $m[0];
echo $yourmatch;
}
?> //=> 005458002.17
You can try with look around as well
(?<=^lin64exe)\d+(\.\d+)?$
Here is demo
Pattern explanation:
(?<= look behind to see if there is:
^ the beginning of the string
lin64exe 'lin64exe'
) end of look-behind
\d+ digits (0-9) (1 or more times (most possible))
( group and capture to \1 (optional):
\. '.'
\d+ digits (0-9) (1 or more times (most possible))
)? end of \1
$ the end of the string
Note: use i for ignore case
sample code:
$re = "/(?<=^lin64exe)\\d+(\\.\\d+)?$/i";
$str = "lin64exe005458002.17\nlin64exe005458002\npart005458";
preg_match_all($re, $str, $matches);
(?<=^lin64exe)\d+(.+\d+)?$ to match any .s but this worked. thanks.You can use this regex and use captured group #1 for your number:
^lin64exe\D*([\d.]+)$
Code:
$re = '/^lin64exe\D*([\d.]+)$/i';
$str = "lin64exe005458002.17\npart005458";
if ( preg_match($re, $str, $m) )
var_dump ($m[1]);
