Crystal Reports  

¦r¦ê (Crystal »yªk)

¦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

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"123"
"¦r¦ê ""±z¦n"" ¥[¤WÂù¤Þ¸¹¡C"
'This is also a string.'
'123'
'Last Year''s Sales'

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'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"

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