\s*\s*Discharge\s+Summary\s*<\/strong>\s*<\/div>\s*)?(?!
)/i'; $html = preg_replace($pattern, '', $html); // 2. Also remove any standalone
Discharge Summary
if it repeats standard title $html = preg_replace('/
\s*\s*Discharge\s+Summary\s*<\/strong>\s*<\/div>/i', '', $html); return trim($html); } // Case 1: Template 1 with Empty summary inside {{CONTENT}} $case1 = '
Discharge Summary
Patient info
Discharge Summary
Discharge Summary
Presenting Complaints :
Abdominal Pain
'; echo "=== Case 1: Template 1 with Empty summary inside {{CONTENT}} ===\n"; echo cleanHtml($case1) . "\n\n"; // Case 2: Template with Non-empty summary with doctor notes $case2 = '
Discharge Summary
Patient info
Discharge Summary
Patient admitted with fever and responded well to IV antibiotics.
Presenting Complaints :
Abdominal Pain
'; echo "=== Case 2: Non-empty summary ===\n"; echo cleanHtml($case2) . "\n";