ObjectPascal StringReplace Function Replace one or more substrings found within a string SysUtils unit

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

Description The StringReplace function replaces the first or all occurences of a substring OldPattern in SourceString with NewPattern according to Flags settings.   The changed string is returned.   The Flags may be none, one, or both of these set values:   rfReplaceAll  : Change all occurrences rfIgnoreCase  : Ignore case when searching   These values are specified in square brackets, as in the example. Related commands AnsiReplaceStr Replaces a part of one string with another Concat Concatenates one or more strings into one string Copy Create a copy of part of a string or an array Delete Delete a section of characters from a string Insert Insert a string into another string Move Copy bytes of data from a source to a destination StuffString Replaces a part of one string with another WrapText Add line feeds into a string to simulate word wrap		Example code : Change a to THE in a sentence var   before, after : string; begin   // Try to replace all occurrences of a or A to THE   before := 'This is a way to live A big life';   after  := StringReplace(before, ' a ', ' THE ',                           [rfReplaceAll, rfIgnoreCase]);   WriteLn('Before = '+before);   WriteLn('After  = '+after); end; Show full unit code    Before = This is a way to live A big life    After  = This is THE way to live THE big life