Match case in search and replace string

Hi !
Attached, my problem.
I am searching "toto" in input string "toto+tototi" and replace "toto" by "A0".
I want to "match case" the search input in order to get a string result : A0+tototi
Does it exist options allowing to match case ?
BR,
Vincent
Solved!
Go to Solution.
Attachments:
MatchCase.vi ‏8 KB

Please fill all your controls with typical strings, make the new values the default, save the VI under a new name, and attach it again.
(This allows us to quickly reproduce your problem without entering strings and having to guess what your inputs actually are)
WIth your given string, the result seems as expected, so we need more information on what you actually want instead.
LabVIEW Champion . Do more with less code and in less time .

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Search and replace string formatting

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I am trying to do a search and replace formatting of a string.
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Right click on the Search And Replace String function. There is an option to use Regular Expressions. Then give this a try.
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This came up in a LAVA thread, and I'm not sure if there's a bug here or not. When using Search and Replace string, and using a regular expression of [(G[b|i])], LabVIEW throws error -4622, "There is an unmatched parenthesis in a regular expression." There are obviously no unmatched parenthesis in that expression, so it seems to me that the wrong error is being thrown. I'm just not sure if that's a syntactically valid regexp. The problem seems to be with nesting [ ]'s inside ( )'s inside [ ]'s. I've tried a couple of regexp resources on the Web, and one suggests it's valid, while the other seems to think it isn't.
Message Edited by eaolson on 03-13-2007 10:33 AM
Attachments:
ATML_StandardUnit2.vi ‏10 KB
regexp.png ‏5 KB

adambrewster wrote:
I think your regexp is invalid.
In regexps, brackets are not the same as parentheses. Parens are for grouping, while brackets are for matching one of a class of characters. Brackets can not be nested.
If the regexp is replaced with [G[bi]], there is no error, so it's not a matter of nested brackets. I couldn't find anything on the PCRE man page that forbids nested brackets specifically, but it makes sense.
Your expression "[(G[bi])]", therefore parses as a character class which matches '(', 'G', '[', 'b', or 'i' followed by an unmatched paren, and an unmatched bracket.
I don't believe that's the case. Replace the regexp with [(Gbi)], and the error goes away. So it's not a matter of the '(' being literal, and then encountering a ')' without a matching '('.
daveTW wrote:
what string exactly you want to replace? I think the round braces are not right in this case, since they mark partial matches which are given back by "match regular expression". But you don't want to extract parts of the string, you want to replace them (or delete, with empty <replace string>). So if you leave the outer [( ... )] then your RegEx means all strings with either "Gb" or "Gi".
It's not my regular expression. A poster at LAVA was having problems with one of his (a truly frightening one), and this seemed to be the element that was causing the problem. I'm pretty sure that the originator of the regexp meant to use G(b|i), which seems like a complicated way of matching "Gb" or "Gi", if you ask me.

Search and replace strings in a file while ignoring substrings

Hi:
I have a java program that searches and replaces strings in a file. It makes a new copy of the file, searches for a string in the copy, replaces the string and renames the new copy to the original file, thereafter deleting the copy.
Now searching for "abcd", for eg works fine, but searching for "Topabcd" and replacing it doesnot work because there is a match for "abcd" in a different search scenario. How can I modify the code such that if "abcd" is already searched and replaced then it should not be searched for again or rather search for "abcd" as entire string and not if its a substring of another string.
In the below code output, all instances of "abcd" and the ones of "Topabcd" are replaced by ABCDEFG and TopABCDEF respectively, whereas according to the desired output, "abcd" should be replaced by ABCDEFG and "Topabcd" should be replaced by REPLACEMEFIRST.
try
          String find_productstring = "abcd";
          String replacement_productstring = "ABCDEFG";
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          compsConfigFile = new BufferedReader(compsXml);
          File compsFile =new File("file.xml");
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            out.close();
            compsConfigFile.close();
            compsFile.delete();
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        catch (IOException e)
        //since "Topabcd" contains "abcd", which is the search above and hence the string "Topabcd" is not replaced correctly
         try
               String find_producttopstring = "Topabcd";
               String replacement_producttopstring = "REPLACEMEFIRST";
               compsXml = new FileReader(compsLoc);
               compsConfigFile = new BufferedReader(compsXml);
               File compsFile =new File("file.xml");
               File compsNewFile =new File("file1.xml");
               BufferedWriter out =new BufferedWriter(new FileWriter("file1.xml"));
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             catch (IOException e)
        }Thanks a lot!

Hi:
I have a java program that searches and replaces
strings in a file. It makes a new copy of the file,
searches for a string in the copy, replaces the
string and renames the new copy to the original file,
thereafter deleting the copy.
Now searching for "abcd", for eg works fine, but
searching for "Topabcd" and replacing it doesnot work
because there is a match for "abcd" in a different
search scenario. How can I modify the code such that
if "abcd" is already searched and replaced then it
should not be searched for again or rather search for
"abcd" as entire string and not if its a substring of
another string.
In the below code output, all instances of "abcd" and
the ones of "Topabcd" are replaced by ABCDEFG and
TopABCDEF respectively, whereas according to the
desired output, "abcd" should be replaced by ABCDEFG
and "Topabcd" should be replaced by REPLACEMEFIRST.
try
String find_productstring = "abcd";
String replacement_productstring = "ABCDEFG";
compsXml = new FileReader(compsLoc);
compsConfigFile = new
BufferedReader(compsXml);
File compsFile =new File("file.xml");
File compsNewFile =new File("file1.xml");
BufferedWriter out =new BufferedWriter(new
FileWriter("file1.xml"));
while ((compsLine =
compsConfigFile.readLine()) != null)
new_compsLine
=compsLine.replaceFirst(find_productstring,
replacement_productstring);
out.write(new_compsLine);
out.write("\n");
out.close();
compsConfigFile.close();
compsFile.delete();
compsNewFile.renameTo(compsFile);
catch (IOException e)
//since "Topabcd" contains "abcd", which is
the search above and hence the string "Topabcd" is
not replaced correctly
try
               String find_producttopstring = "Topabcd";
String replacement_producttopstring =
topstring = "REPLACEMEFIRST";
               compsXml = new FileReader(compsLoc);
compsConfigFile = new
gFile = new BufferedReader(compsXml);
               File compsFile =new File("file.xml");
               File compsNewFile =new File("file1.xml");
BufferedWriter out =new BufferedWriter(new
dWriter(new FileWriter("file1.xml"));
while ((compsLine =
compsLine = compsConfigFile.readLine()) != null)
new_compsLine
new_compsLine
=compsLine.replaceFirst(find_producttopstring,
replacement_producttopstring);
out.write(new_compsLine);
out.write("\n");
out.close();
compsConfigFile.close();
compsFile.delete();
compsNewFile.renameTo(compsFile);
             catch (IOException e)
Thanks a lot!I tried the matches(...) method but it doesnt seem to work.
while ((compsLine = compsConfigFile.readLine()) != null)
if(compsLine.matches(find_productstring))
     System.out.println("Exact match is found for abcd");
     new_compsLine =compsLine.replaceFirst(find_productstring, replacement_productstring);
out.write(new_compsLine);
out.write("\n");
     else
     System.out.println("Exact match is not found for abcd");
     out.write(compsLine);
     out.write("\n");

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LabVIEW Champion . Do more with less code and in less time .

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I have problem with Search and replace string function. It shows me a wrong Value (Number) from 15 to 100 is everything OK (15=0, 30=1, 45=2, 100=3), but after 100 ........
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Attachments:
indexing.vi ‏10 KB

there will be no 15115 string, but 15 or 115 and 15 is 0, 115 is 4. Anyway, i have changed string input format and now its working THX for your help
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I am interested in providing a case insensitive search and replace query in a Active server page. At present data is collected from a html form which passes the text values to a ASP page. The ASP page runs a search (select query) to find if the data is already in the Oracle database, if it isn't the ASP page runs sql (INSERT) to insert the record, if not the page returns a form indicating that the record already exists. At present we can convert the case of new records using the VB UCase() function. But can't do a insensitive search with the existing records. *The Query must be able to utilize ASP variables.
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null

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Untitled 1.vi ‏25 KB

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Message Edited by altenbach on 07-31-2006 07:02 AM
LabVIEW Champion . Do more with less code and in less time .
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Replace String.vi ‏8 KB
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Here are screenshot of my attempts to make reducing double returns to one. First up selection of a double return:
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Ok Gary, but...
in a SQLWorksheet write:
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Match case in search and replace string

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