regex - Removing white space from the beginning using regular expression in PHP -

i'm trying data website using php curl. output, need neglect white spaces , empty lines. used regex. i'm not familiar regex.

please me solve problem.

there code:

if(preg_match('/<div class="search-results-details-body">(.*?) <div class="search-results-details-footer">/s', $result, $output)) {     $stripped_result = ltrim(strip_tags($output[1]));     $refined_output = str_replace('  ','',$stripped_result);      $regex = preg_replace('[\n\n]', "\n", $refined_output);  exit(); } 

and output in order:

 requirements   minimum 2 years of web development experience required   experience php, mysql, html, css, , javascript preferred   bachelors degree in computer science or related field   full knowledge , experience of software development lifecycle   strong organisational , analytical skills   ability work under pressure meet deadlines , required quality standards   ability multi-task , prioritize responsibilities   excellent oral , written communication skills 

here want remove starting white spaces. need output :

  requirements   minimum 2 years of web development experience required   experience php, mysql, html, css, , javascript preferred   bachelors degree in computer science or related field   full knowledge , experience of software development lifecycle   strong organisational , analytical skills   ability work under pressure meet deadlines , required quality standards   ability multi-task , prioritize responsibilities   excellent oral , written communication skills 

please suggest solution

thank you

i want remove starting white spaces, need neglect white spaces , empty lines.

just replace empty string

^\s+ 

here online demo

• ^ matches start of line/string
• \s matches white space character [\r\n\t\f ]

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sample code:

$re = "/^\\s+/m"; $result = preg_replace($re, '', $str);