Diffusion Ant (feature/nursery) Code

ant/tests/test_regexp_edge_cases.cjs
ddfe6237cab5feature/nursery

test_regexp_edge_cases.cjs
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			// Test edge cases for RegExp

			// Empty pattern
			const re1 = new RegExp('');
			console.log('Empty pattern source:', re1.source);

			// Empty string replacement
			const str1 = 'hello';
			const result1 = str1.replace(new RegExp('l', 'g'), '');
			console.log('Remove chars:', result1);

			// No match
			const str2 = 'hello world';
			const result2 = str2.replace(new RegExp('xyz'), 'foo');
			console.log('No match:', result2);

			// Special characters that need escaping
			const str3 = 'Price: $10.99';
			const re3 = new RegExp('[0-9.]+');
			const result3 = str3.replace(re3, '20.00');
			console.log('Price replace:', result3);

			// Whitespace replacement
			const str4 = 'hello world';
			const re4 = new RegExp(' +', 'g');
			const result4 = str4.replace(re4, ' ');
			console.log('Normalize spaces:', result4);

			// Replace at start
			const str5 = 'hello world';
			const re5 = new RegExp('^hello');
			const result5 = str5.replace(re5, 'hi');
			console.log('Replace at start:', result5);

			// Replace at end
			const str6 = 'hello world';
			const re6 = new RegExp('world$');
			const result6 = str6.replace(re6, 'there');
			console.log('Replace at end:', result6);

			console.log('All edge case tests passed!');

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