RAD Studio VCL Reference
AnsiStrings.AnsiReplaceStr Function

Replaces all occurrences of a substring within a string, using case-sensitive search.

function AnsiReplaceStr(const AText: AnsiString; const AFromText: AnsiString; const AToText: AnsiString): AnsiString; overload;
AnsiString AnsiReplaceStr(const AnsiString AText, const AnsiString AFromText, const AnsiString AToText);

Use AnsiReplaceStr to replace all occurrences of the substring AFromText with the string AToText, within the string AText. AnsiReplaceStr returns the string obtained after replacement.  

Use AnsiReplaceText to do a case-insensitive replacement.

Note: Both the parameters and the return value are of type AnsiString. To do the replacement in a UnicodeString context, use the ReplaceStr function. Also, to do the replacement in a WideString context, use the WideReplaceStr function.
Note: Recursive replacement of substrings is not supported. This means that if the substitution of AToText results in a new match for AFromText, that match is not replaced.
AnsiReplaceStr is the same function as ReplaceStr.  

The StringReplace function is a more general replacement routine, giving case-sensitivity options, as well as the option to decide whether to replace all occurrences or the first occurrence of the substring in the string. 


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