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<?php $sentence = "One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen."; for ($i = 1; $i <= 15; $i++) { if (preg_match('/^((\s*\S+){45}(\s*\S+)*?\.).*?\.\s*\S)/', $sentence, $match)) { echo "Summary {$i}: {$match[1]}\n"; } else { echo "Full text {$i}: {$sentence}\n"; } }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 1: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 2: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 3: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 4: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 5: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 6: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 7: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 8: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 9: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 10: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 11: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 12: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 13: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 14: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen. Warning: preg_match(): Compilation failed: unmatched closing parenthesis at offset 37 in /in/8N6WP on line 5 Full text 15: One two three. Four five six. Seven eight nine. Ten eleven twelve. Thirteen fourteen fifteen.

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