¦r¦ê¬O¥Î¨Ó¦s©ñ¤å¦rªº¡C¤å¦r¥²¶·©ñ¦b¨âÓÂù¤Þ¸¹ (") ©Î³æ¤Þ¸¹ (') ¤¤¶¡¡A¦Ó¥B¤£¥i¥H¤À¦¨¨â¦æ¡C°²¦p±z·Qn¦b¤w¥[¤WÂù¤Þ¸¹ªº¦r¦ê¤¤¶¡¦A¥]§tÂù¤Þ¸¹¡A½Ð¨Ï¥Î³sÄò¨âÓÂù¤Þ¸¹¡C¦P¼Ë¦a¡A°²¦p±z·Qn¦b¤w¥[¤W³æ¤Þ¸¹ªº¦r¦ê¤¤¦A¥]§t³æ¤Þ¸¹¡A½Ð¨Ï¥Î³sÄò¨âÓ³æ¤Þ¸¹¡C
½d¨Ò
"³o¬O¦r¦ê¡C" "123" "¦r¦ê ""±z¦n"" ¥[¤WÂù¤Þ¸¹¡C" 'This is also a string.' '123' 'Last Year''s Sales'
°²¦p±z¦b¦r¦ê¥ªÃä¨Ï¥ÎÂù¤Þ¸¹¡A¥kÃä¤]n¨Ï¥ÎÂù¤Þ¸¹¡A³æ¤Þ¸¹ªº¥Îªk¤]¬O¤@¼Ë¡C¤U¦C¬O¿ù»~ªº½d¨Ò¡G
'Not a valid string."
±z¥i¥HÂǥѫü©w¦r¤¸¦ì¸m©Î½d³ò¡A±q¦r¦ê¤¤©â¥X³æ¤@¤¸¯À©Î¤l¦r¦ê¡C¤¹³\¦³tÈ¡Aªí¥Ü«ü©w±q¦r¦êªº§ÀºÝ¶}©l¡C
"hello" [2] //Equal to "e" "hello" [-5] //Equal to "h" "604-555-1234" [1 to 3] //Equal to "604" "abcdef" [-3 to -1] //Equal to "def"
±z¤]¥i¥H¨Ï¥Î Left¡BRight ¤Î Mid ¨ç¦¡¡A±q¦r¦ê¤¤©â¥X¤l¦r¦ê¡C