Another question about regular expressions with String.matches

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  I need a simple matching chain and experimenting that found the "Regular Expression Match' and 'Correspondence model' vi behave a little differently. I guess that the entries of the regular expression on the two the same behavior. It's a difference that I discovered that the "|" character ("vertical" character, commonly used as an operator 'or') is recognized as such in the regex to Match vi, but not in the match vi model (where it is taken to the letter). Furthermore, I can't find any document using (online or in LabVIEW) on the ' | ' usage in regular expressions of character. Is - this documented anywhere?

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  Thank you, Jeff. That's what I was looking for. BUT my version of LabVIEW 8.5, does NOT say "functionfor example, the Match model does not support the parenthesis or vertical bars (|) characters.«» !

  See: http://zone.ni.com/reference/en-XX/help/371361D-01/glang/match_pattern/

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• A question about external authentication with PHP OCI8 using a portfolio store

  Hello
  

  SQL> SELECT * FROM v$version;
  
  BANNER
  --------------------------------------------------------------------------------
  Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
  PL/SQL Release 11.2.0.1.0 - Production
  CORE     11.2.0.1.0     Production
  TNS for Linux: Version 11.2.0.1.0 - Production
  NLSRTL Version 11.2.0.1.0 - Production
  
  SQL> 

  OS: Linux Fedora Core 17 (x86_64)
  PHP Version: 5.4.14
  Apache version (httpd): Apache/2.2.23 (Fedora) 

  I have a question about OCI8 connection to the Oracle server via portfolio, which I understand is a good practice because we do not have to hard code the users password. I'm trying to read pages 117 and 118 of the book The Underground PHP and Oracle manual online to learn how to set up a portfolio. I proceeded by steps as explained in these two pages (except that at the end I connect, as a normal user, not a privileged user) yet, apparently PHP does not detect the user.
  
  Here's what I write in my script
  

  $connection = 
                  oci_connect 
                      (
                          "training", 
                          "", 
                          "php_ora_usr", 
                          "AL32UTF8"
                      );

  the training is the name of the user that I use in my PHP scripts to connect to the oracle database and the password is mypassword (is not true, just for the purpose of this thread :)) the code above gives me the following error:)

  Warning: oci_connect(): ORA-01005: null password given; logon denied in /var/www/html/myscript.php on line 91
  
  Fatal error: Connection step: ORA-01005: null password given; logon denied in /var/www/html/myscript.php on line 13

  But if I also provide the password which is,

  $connection = 
                  oci_connect 
                      (
                          "training", 
                          "mypassword", 
                          "php_ora_usr", 
                          "AL32UTF8"
                      );

  Obviously it works, but at the same time, this means that my wallet is not operational.
  
  So I'll write here, step by step, how I did according to the instructions contained in the pages 117 and 118 of the above mentioned book and I would be grateful if you could kindly tell where I made the mistake (s)
  
  The following text was performed under my oracle linux (so the dbagroup)
  
  Step 01:_
  I created and provided the password for the directory of portfolio

  mkstore -wrl /home/oracle/wallet_dir -create

  Step 02:_
  I created an entry for my oracle user that will be used in my PHP scripts to connect to oracle
  user: training
  password: mypassword

  mkstore -wrl "/home/oracle/wallet_dir" -createCredential php_ora_usr training mypassword

  I also checked that the entry was actually created for my user in the portfolio

  $ mkstore -wrl "/home/oracle/wallet_dir" -listCredential
  Oracle Secret Store Tool : Version 11.2.0.1.0 - Production
  Copyright (c) 2004, 2009, Oracle and/or its affiliates. All rights reserved.
  
  Enter wallet password:                
     
  List credential (index: connect_string username)
  1: php_ora_usr training
  $ 

  Step 03:_
  I added the following to my $TNS_ADMIN/tnsnames.ora

  .  .  .
  php_ora_usr = 
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
      (CONNECT_DATA =
        (SERVER = DEDICATED)
        (SERVICE_NAME = db02)
      )
    )
  .  .  .

  Step 04_
  I added the following to my $TNS_ADMIN/sqlnet.ora

  # sqlnet.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/sqlnet.ora
  # Generated by Oracle configuration tools.
  
  NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
  
  ADR_BASE = /u01/app/oracle
  
  WALLET_LOCATION =
      (SOURCE =
          (METHOD = FILE)
          (METHOD_DATA =
              (DIRECTORY = /home/oracle/wallet_dir)
          )
      )
  SQLNET.WALLET_OVERRIDE = TRUE
  SSL_CLIENT_AUTHENTICATION = FALSE
  SSL_VERSION = 0

  _ Step 05
  The TNS_ADMIN environment variable is already set correctly in * / etc/sysconfig/httpd * so I didn't need to do something for this step
  
  
  Step 06_
  I gave to access Apache (as root) in the directory of portfolio (in fact, it seems that the user oracle (dba) of linux also has the required privileges to grant this access to the apache)

  # setfacl -m u:apache:rx /home/oracle/wallet_dir
  # setfacl -m u:apache:r /home/oracle/wallet_dir/{cwallet.sso,ewallet.p12}

  Step 07_
  Restart Apache

  # service httpd restart

  Step 08_
  Finally make a test connection using the connection string php_ora_usr which the entry was created earlier. And the test was not successful, as indicated above

  $connection = 
                  oci_connect 
                      (
                          "training", 
                          "", 
                          "php_ora_usr", 
                          "AL32UTF8"
                      );

  The error message:
  

  Warning: oci_connect(): ORA-01005: null password given; logon denied in /var/www/html/myscript.php on line 91
  
  Fatal error: Connection step: ORA-01005: null password given; logon denied in /var/www/html/myscript.php on line 13

  I would appreciate it if you could kindly shed some light.
  
  Thanks in advance,
  Dariyoosh

  That gives a good clue to begin with. With your platform/Apache/DB, you might need different ACLs. Test directory and permissions. Check what euid your Apache runs as. Good luck.

• regular expression or string (nevermind) format

  Resolved,

  I can use the string to a fractional number!

  Hello

  I have an array of strings in a multicolumn list box 2D, and I want to check if each value is a valid number, numbers can be one and can have negative values. Anyone know what regular expression, I need to check it out, or there at - it a still better way?

  Best regards

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  solved!

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  Hi elrathia,.

  Please find below screenshot

  

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  Hi all
  
  I am little confused with expression with logical operator evaluation. I'm trying to understand the in expression.
  
  -----
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  -----
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  -----
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  }
  
  
  Thanks for your help

  >

  added parentheses to make order of the most obvious BSP. adding a "?" to show calls not executed.

  (eXa.getTrue() && eXa.getFalse()) || (eXa.getFalse() && eXa.getTrue()) || eXa.getFalse()  comes as false and True Count: 1 False Count: 3
  
  (T && F) = F
  (F && ?) = F
  (F) = F
  
  F || F || F = F
  
  (eXa.getTrue() && eXa.getTrue()) || (eXa.getFalse() && eXa.getTrue()) || eXa.getFalse()  comes as true and True Count: 2 False Count: 0 
  
  (T && T) = T
  (? && ?) = ?
  (?) = ?
  
  T || ? || ? = T
  
  eXa.getTrue() || (eXa.getFalse() && eXa.getFalse()) || (eXa.getTrue() && eXa.getFalse())  comes as true and True Count: 1 False Count: 0
  
  (T) = T
  (? && ?) = ?
  (? && ?) = ?
  
  T || ? || ? = T
  

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  Frank Kulash wrote:

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  REG
  ---
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  SQL >

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  Not that it is important for the OP's question, but I think the way I presented it is more precise.

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  WITH sample_data AS

  (

  SELECT "This is an example of text string" dual UNION ALL STR

  SELECT 'the following is an example of text string' FROM dual UNION ALL

  SELECT 'Fubar' double UNION ALL

  SELECT 'chat' FROM dual

  )

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  ;

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  ------------------------------------- ------------------------------

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  2; e = 3; 4 = = you 1; x = 2; t = 3; = 4 = stri

  1; n = 2; g = 3; = 4

  The following is an example of text string T = 1; h = 2; e = 3; = 4 followi = 1; n = 2; g

  = 3 ; = 4 is a samp = 1; l = 2; e = 3; = 4 t

  e = 1; x = 2; t = 3; = stri 4 = 1; n = 2; g = 3;

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  Fubar Fub = 1; a = 2; r = 3; = 4

  cat                                  c=1;a=2;t=3;=4

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  WITH sample_data AS

  (

  SELECT "This is an example of text string" dual UNION ALL STR

  SELECT 'the following is an example of text string' FROM dual UNION ALL

  SELECT 'Fubar' double UNION ALL

  SELECT 'chat' FROM dual

  )

  SELECT str

  REGEXP_REPLACE (str

  , ' ([[: alpha:]]{1,9}) ([[: alpha:]] +) ([[: alpha:]] +)([[:alpha:]]+)?'

  , "\1=1;\2=2;\3=3;\4=4".

  ) And matches

  OF sample_data

  ;

  the result remains the same.

  Of course, is using the first query I posted above

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  It is possible that

  (expr) {3,4}

  which is what OP posted, is handled differently.

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