wikimedia / mediawiki

			if( $ch === "'" || $ch === '"' ) {

				// Search to the end of the string literal, skipping over backslash escapes

				$search = $ch . '\\';

				do{

					$end += strcspn( $s, $search, $end ) + 2;

				} while( $end - 2 < $length && $s[$end - 2] === '\\' );

				$end--;

			// We have to distinguish between regexp literals and division operators

			// A division operator is only possible in certain states

				// Regexp literal, search to the end, skipping over backslash escapes and

				// character classes

				for( ; ; ) {

					do{

						$end += strcspn( $s, '/[\\', $end ) + 2;

					} while( $end - 2 < $length && $s[$end - 2] === '\\' );

					$end--;

					if( $end - 1 >= $length || $s[$end - 1] === '/' ) {

						break;

					if( $end - 1 >= $length || $s[$end - 1] === '/' ) {

						break;

					}

					do{

						$end += strcspn( $s, ']\\', $end ) + 2;

					} while( $end - 2 < $length && $s[$end - 2] === '\\' );

					$end--;

				};

				// Search past the regexp modifiers (gi)