#! /usr/bin/perl

use strict ;
use warnings ;

my @str = ( 'fdjsflsdfjk foo=123 sdjflsdfjklsfj  ',
            'sdfhsdfsd  bar=42 fkjfjklsfjs',
            'zoot=23 ff   ',
            '              nooka=9 '
	  ) ;

foreach (@str)
{
    /^([^=]+)=([[:digit:]]{1,3})(.*)$/ ;
    printf "[%s] [%s] [%s]\n", $1, $2, $3 ;
}