How to check if a string contains a substring in Delphi?

Question

String content = "Jane"; String container = 'A.Sven,G.Jane,Jack'; // This is the string which i need to be searched with string content

boolean containerContainsContent = StringUtils.containsIgnoreCase(container, content); // I used to write like this in java

I am new to Delphi. Is there a contains command in Delphi or any other command which performs the same operation?

stackoverflow.com/questions/30180634/… if s.ToUpper.Contains(a.ToUpper) then — Akella225
– Akella225, Commented Aug 6, 2018 at 7:58

Fabrizio · Accepted Answer · 2018-03-27 13:00:04Z

70

You can use the functions in StrUtils in Delphi

uses StrUtils; .. if ContainsText('A.Sven,G.Jane,Jack', 'Jane') then ...

ContainsText returns true if the subtext is found, without case-sensitivity, in the given text

In StrUtils you'll also find handy functions like StartsText, EndsText and ReplaceText

edited Mar 27, 2018 at 13:00

Fabrizio

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answered Oct 29, 2015 at 9:25

Jens Borrisholt

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5 Comments

delsql Over a year ago

Thanks, I am using like if Pos(content , container ) > 0 then showmessage('exists') else showmessage('Not exists'); But is there any other way

Jens Borrisholt Over a year ago

I don't understand your question, because so it would in Java

David Heffernan Over a year ago

@delsql You are making something of a mess of this. Please don't ask new questions in comments to answers. If you want something different from containsIgnoreCase then, that would be a new question.

Arioch 'The Over a year ago

FWIR ContaintsText in Delphi 7 (mentioned by the topic starter ) only works for LATIN-1 characters set. If @delsql wants to compare some national characters (Greek, Russian, etc) he should use AnsiContainsText instead

Optavius Over a year ago

For the ContainsText function, the needle is the 2nd parameter, not the first. For this example: if ContainsText('A.Sven,G.Jane,Jack', 'Jane') then

codeGood · Accepted Answer · 2022-07-14 21:32:33Z

You might also find helpful the Contains Function in System.SysUtils as below.

uses Sysytem.SysUtils; .... txt := 'This is a string variable'; if txt.contains('str') then ....

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