arpitr · January 19, 2016 06:12
diff --git a/safe_filename.php b/safe_filename.php
 // ^ matches the beginning of the string.
 // \w matches a "word" character (A-Z, a-z, 0-9, and _ only).
 // The "+" sign means "one or more."
 // \. matches a single dot.
 // And the final $ matches the end of the string.

 $safeFilename = '/^\w+\.\w+$/';
	// ^ matches the beginning of the string.
	// \w matches a "word" character (A-Z, a-z, 0-9, and _ only).
	// The "+" sign means "one or more."
	// \. matches a single dot.
	// And the final $ matches the end of the string.

	$safeFilename = '/^\w+\.\w+$/';