PHP ereg() Function

Hello dear readers! welcome back to another section of our tutorial on PHP. In this tutorial guide, we will be discussing about the PHP ereg() Function.

The ereg() function searches for a string specified by string for a string specified by pattern, then returning true if the pattern is found, otherwise it returns false. The search is case sensitive in regard to alphabetical characters.

The optional input parameter regs contains an array of all matched expressions that were grouped by parentheses in the PHP's regular expression.


The following is the syntax for the ereg() function -

int ereg(string pattern, string originalstring, [array regs]);

Return Value

  • It returns true if the pattern is found, otherwise false.


Following is a simple example -

   $email_id = "";
   $retval = ereg("(\.)(com$)", $email_id);
   if( $retval == true )
      echo "Found a .com<br>";
   } else {
      echo "Could not found a .com<br>";
   $retval = ereg(("(\.)(com$)"), $email_id, $regs);
   if( $retval == true )
      echo "Found a .com and reg = ". $regs[0];
   } else {
      echo "Could not found a .com";


When the above code is executed, it will produce the following result -

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial post, we will be studying about PHP ereg_replace() Function.

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