原文：http://blog.csdn.net/genispan/article/details/4458319

function?StringReplace?(const S, OldPattern, NewPattern: string; Flags: TReplaceFlags): string;?

rfReplaceAll：全部替換?
rfIgnoreCase：忽略大小寫?

For Example：?

var?
??? aStr: String;?
begin?
??? aStr := 'This is a book, not a pen!';?
??? ShowMessage(StringReplace?(aStr, 'a', 'two', []));//This is two book, not a pen!只替換了第一個符合的字?
??? ShowMessage(StringReplace?(aStr, 'a', 'two', [rfReplaceAll]));//This is two book, not two pen!替換了所有符合的字?
??? aStr := 'This is a book, not A pen!';?
??? ShowMessage(StringReplace?(aStr, 'a', 'two', [rfReplaceAll]));//This is two book, not A pen!只替換了符合的字(小寫a)?
??? ShowMessage(StringReplace?(aStr, 'a', 'two', [rfReplaceAll, rfIgnoreCase]));//This is two book, not two pen!不管大小寫替換了所有符合的字?
end;

?

轉(zhuǎn)載于:https://www.cnblogs.com/chuangyiyuan/p/6066711.html

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