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Sqlite regex extract

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If the regex only matches a subset of the input string, it will be rerun on the remaining parts of the string until no more matches are found. Parameters. string* — The string to match against the given pattern. pattern* — The regular expression to match. Examples. To extract the key/value pairs 'a'/1 and 'b'/2 from the string 'a.

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2007-12-30: EXTRACT for TIMESTAMP types ... (MySQL, Postgresql and Oracle have it... but I don't know if this is a standard command) - SQLite does this automatically when you do a DELETE without a WHERE clause. You can use also VACUUM command. ... Extended POSIX regular expressions (should be easy,. In order to use search () function, you need to import Python re module first and then execute the code. The Python re.search () function takes the "pattern" and "text" to scan from our main string. For example here we look for two literal strings "Software testing" "guru99", in a text string "Software Testing is fun". Ish via Simon Willison, in a blog post describing some recent updates to sqlite-utils that brings sqlite-utils/datasette a step close to doing what OpenRefine does ( Apply conversion functions to data in SQLite columns with the sqlite-utils CLI tool ), I note debuggex.com, a tool for visualising regular expressions as syntax diagrams (albeit.

1 Is there a way to use REGEXP to return not just whether or not there was a match (i.e. 1 or 0 ), but the actual match itself. For example, if I have a column of URLs and I want to extract the matched portion of a URL (e.g. the domain): SELECT url REGEXP '\w+\.com' AS domain FROM urls GROUP by domain;. Edit: Even though my first solution answered the question as asked, I saw @DavidBoho 's answer and he made several good points. He suggested that if the filename is my_file.tar.gz then the return value should be my_file.tar and also that my solution would fail in the event that the file had no extension at all. All of the code here is available on this fiddle. H41010: SQLite shall divide input SQL text into tokens working from left to right. H41020: At each step in the SQL tokenization process, SQLite shall extract the longest possible token from the remaining input text. H41030: The tokenizer shall pass each non-WHITESPACE token seen on to the parser in the order in which the tokens are seen. H41040: When the tokenizer reaches the end of input.

regex = r'\[email protected]\S+' Note: So the part inside quotes is purely regex. But you might be wondering what r is doing in front. r'text here' is a fantastic trick in Python that can help you avoid numerous conflicts such as back slash misinterpretations while typing directories etc. Raw string can help you remember and understand the function of r.. It's a good practice to have sometimes. string: The VARCHAR or LONG VARCHAR string to search for a regular expression pattern match. If string exists in a __raw__ column of a flex or columnar table, cast string to a LONG VARCHAR before searching for pattern.. pattern: The regular expression to find a substring to extract. The syntax of the regular expression is compatible with the Perl 5 regular expression syntax. The following are 20 code examples of sqlalchemy.dialects.sqlite.DATETIME().You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. Examples of Regex in SQL Queries. If you wanted to search a column of a database for all entries that contain the word 'fire', you could use ~* 'fire' to find any row that contains the word: SELECT (column name) FROM (table name) WHERE (column name) ~* 'fire'; To get all entries that start with the word 'Fire':.

Return types#. Returns nvarchar if one of the input arguments is of the nvarchar data type; otherwise, REGEX_EXTRACT returns varchar.. Returns NULL if any one of the arguments is NULL. If string is not of type varchar(max) or nvarchar(max), REGEX_EXTRACT truncates the return value at 8,000 bytes.To return values greater than 8,000 bytes, string must be explicitly cast to a large-value data type.

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SQLite is an open-source, zero-configuration, self-contained, stand-alone, transaction relational database engine designed to be embedded into an .... "/> backstreet surveillance default password. Advertisement android auto seat leon 2016. convex lens experiment. new world multiboxing.

Example query 1. For this first example, you want to match a string in which the first character is an "s" or "p" and the second character is a vowel. To do this, you can use the character class [sp] to match the first letter, and you can use the character class [aeiou] for the second letter in the string. You also need to use the character to.

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RegExp tutorial: enough to get started PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta. SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try. SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite > database manager.

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2022. 6. 17. · The program will prompt for a URL, read the JSON data from that URL using urllib and then parse and extract the comment counts from the JSON data, compute the sum of the numbers in the file and enter the sum below: Windows users can double-click on the sqlite3 readline() version is if you expect to read very large files that might exceed available memory.

RegExp tutorial: enough to get started PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta. SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try. SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager. Name regex() — Implement the REGEX operator Common Usage regex( pattern, string ) Description The regex() ...Get full access to Using SQLite and 60K+ other titles, with free 10-day trial of O'Reilly. There's also live online events, interactive. regexp¶ – regular expression which will be applied to incoming result rows. If the regexp contains named groups, the resulting match. Remarks. The Regex.Split methods are similar to the String.Split method, except that Regex.Split splits the string at a delimiter determined by a regular expression instead of a set of characters. The count parameter specifies the maximum number of substrings into which the input string can be split; the last string contains the unsplit remainder of the string.

Add SQLite3 to Windows path. Go to Control Panel - System and Security - System and click on Advanced System settings. In the System properties window's Advanced tab click on Environment Variables: Select Path in System Variables click Edit: In the Edit environment variable window click New: Copy and Paste your SQLite folder path and. It registers a single function ** named "regexp(A,B)" where A is the regular expression and B is the ** string to be matched.By registering this function, SQLite will also ** then implement the "B regexp A" operator. Note that with the function ** the regular expression comes first, but with the operator it comes ** second.. H41010: SQLite shall divide input SQL text into tokens working from.

Regular expressions, fuzzy-search, and geo. In terms of features, SQLite can compete with any 'big' DBMS. ... SQLite shall extract the longest possible token from the remaining input text. H41030: The tokenizer shall pass each non-WHITESPACE token seen on to the parser in the order in which the tokens are seen.. A regular expression. The following table shows the commonly used SQLite string functions that perform an operation on an input string and return a new string or a numeric value. Extract and returns a substring with a predefined length starting at a specified position in a source string. Return a copy of a string that has specified characters removed from the.

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The LIKE, GLOB, REGEXP, MATCH, and extract operators. The LIKE operator does a pattern matching comparison. 2006. 1. 13. · As I discussed a couple of months ago, DBD::SQLite exposes the SQLite sqlite3_create_function() API for adding Pure-Perl functions and aggregates to SQLite on a per-connection basis. REGEXP_EXTRACT(value, regexp[, position[, occurrence]]) Description. Returns the substring in value that matches the regular expression, regexp. Returns NULL if there is no match. If the regular expression contains a capturing group, the function returns the substring that is matched by that capturing group. If the expression does not contain a. It registers a single function ** named "regexp (A,B)" where A is the regular expression and B is the ** string to be matched. By registering this function, SQLite will also ** then implement the "B regexp A" operator. Note that with the function ** the regular expression comes first, but with the operator it comes ** second. Example: SQLite min() function with group by . SQLite min() function retrieves the minimum value of an expression which has undergone a grouping operation if used with GROUP BY clause. The following SQLite statement will extract all "cate_id"s and the minimum 'book_price' for each group of 'cate_id'. GROUP BY clause has grouped "cate_id"s.

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SQLite OLEDB Provider. This is a Microsoft Visual C++ 2010 SP1 project for an Updateable SQLite OLEDB Provider that supports most OLEDB data types, Unicode strings and Blobs. To compile you will need to do some minor hacking in oledb.h provided by Microsoft (described further below). . REGEXP_SUBSTR (expr, pat [, pos [, occurrence [, match_type]]]) Where expr is the input string and pat is the regular expression pattern for the substring. The optional pos argument allows you to specify a position within the string to start the search. If omitted, it starts at position 1. The optional occurrence argument allows you to specify. If the start is a positive integer, the substr () function returns a substring starting from the beginning of the string. The first character has an index of 1. If the start is a negative integer, the returned substring consists of the length number of character starting from the end of the string. The last character has an index of -1.

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Vb6 Sqlite software free downloads and reviews at WinSite. Free Vb6 Sqlite Shareware and Freeware. ... Sqlite Regexp; Ms Access Sqlite; ... SQLite Maestro allows you to create, edit, copy, extract and drop all the ... SQLite PHP Generator v.11.4 SQLite PHP Generator is a freeware but powerful SQLite GUI frontend that allows you to generate high.

Homepage › Clovertech Forums › Read Only Archives › Cloverleaf › Cloverleaf › sqlite queries Search for: This topic has 14 replies, 4 voices, and was last updated 6 years, 8 months ago by Keith McLeod. Creator Topic May 27, 2015 at 2:18 pm #54691 Keith McLeodParticipant In many of our scripts prior to having. REGEXP_EXTRACT(value, regexp[, position[, occurrence]]) Description. Returns the substring in value that matches the regular expression, regexp. Returns NULL if there is no match. If the regular expression contains a capturing group, the function returns the substring that is matched by that capturing group. If the expression does not contain a.

Regex to extract from start until a specific character. Sukisen1981. Champion. 09-12-2017 09:14 AM. I have a test field in a CSV called description: Completed changes are not shown as complete in channels for a while Actualstart: 2017-05-15 06:40:34. I want to extract everything from the start of the string until I encounter Actualstart. sqlite> select count(*) from emoji_text_search WHERE regex like 'smil%'; count(*) ----- 596 sqlite> select count(*) from emoji_text_search WHERE regex match 'smil*'; count(*) ----- 596 ... I have a 130gb .db file that I need to extract. Unfortunately I'm no expert with this kind of software. I have DB Browser SQL and Dbeaver and I can see the. SUBSTR(StudentName, 2, 4) substring the string "StudentName" starting from the second character, and return the next 4 characters. However, in the function SUBSTR(StudentName, 2) we didn't specify a number for the characters to be returned, that's why SQLite returned all the remaining characters in the "StudentName" starting from the second position.

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However, the SQLite autoincrement feature, ... regexp¶ - regular expression which will be applied to incoming result rows. If the regexp contains named groups, the resulting match dict is applied to the Python datetime() constructor as keyword arguments. ... by adapting the operations to render the JSON_EXTRACT function wrapped in the JSON.

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2022. 5. 2. · REGEXP_EXTRACT . A string function used in search operations for sophisticated pattern matching including repetition and alternation. For more information on the Java format for regular expressions see: ... The second argument in the REGEX function is written in the standard Java regular expression format and is case sensitive.. This db browser for SQLite allows you to run SQLite online. You can show, insert, update and delete tables content without knowing SQL. Drag and drop your SQLite file directly into the SQLite editor or click on "Database file > Open DB file" to open your SQLite database. You can select a table in order to display and manipulate its content (1).

1. Overview. SQLite has the ability to load extensions (including new application-defined SQL functions , collating sequences, virtual tables, and VFSes) at run-time. This feature allows the code for extensions to be developed and tested separately from the application and then loaded on an as-needed basis. 2016. 8. 24. · For example, if I have a column of URLs and I want to extract the matched portion of a URL (e.g. the domain): SELECT url REGEXP '\w+\.com' AS domain FROM urls GROUP by domain; Not sure if there are differences between REGEXP extensions, but FWIW, I'm using the one found in DB Browser for SQLite. sql regex sqlite.Share. Nov 27, 2013 · Using Regular Expressions. func.regexp\u extract('col',my\u regex,idx=1) 指定匹配的索引。。您需要为此编写一个自定义项。。这是一个已经提出的问题.

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SQLite for Python offers fewer data types than other SQL implementations. This can be a bit restricting. However, as you'll see, SQLite makes a lot of other things easier. ... It's important to note here that the SQLite expects the values to be in tuple-format. However, the variable can contain a list, as long as the list items are tuples. 2007-12-30: EXTRACT for TIMESTAMP types ... (MySQL, Postgresql and Oracle have it... but I don't know if this is a standard command) - SQLite does this automatically when you do a DELETE without a WHERE clause. You can use also VACUUM command. ... Extended POSIX regular expressions (should be easy,. This is finding the first instance of the phrase "state" : <number>. Then, we split the returned value on the colon. Select the last value (the number), and remove the extra white space. EDIT: This of course assumes that the state is a string. If you change your rest sensor you can have it just plop out that value.

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. Ubuntu 20.04: sudo apt install -y libsqlite3-dev. Windows: Download the source zip from SQLite Downloads; Create a new sqlite subfolder inside v/thirdparty; Extract the zip into that folder. Jan 07, 2022 · As far as the core SQLite is concerned, -> and ->> are new undefined operators (kind of like REGEXP ) that the parser converts into two-argument SQL functions with the same name.

First of all the regex engine will start searching for an a in the string from left to right. When it matches an a, which is after is in the sentence then the positive lookahead process starts. After matching a the engine enters the positive lookahead and it notes that now it is going to match a positive lookahead.

For example: SELECT REGEXP_SUBSTR ('2, 5, and 10 are numbers in this example', '\d') FROM dual; Result: 2. This example will extract the first numeric digit from the string as specified by \d. In this case, it will match on the number 2. We could change our pattern to search for a two-digit number. For example:. The REGEXP_SUBSTR () function in MySQL is used for pattern matching. This function returns the substring from the input string that matches the given regular expression pattern. If there is no match found, it will return NULL. If the expression or pattern is NULL, the function will return NULL. The REGEXP_SUBSTR () is the same as the SUBSTRING.

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2022. 4. 30. · The SQLite version of json_extract() only returns JSON if there are two or more PATH arguments (because the result is then a JSON array) or if the single PATH argument references an array or object. In SQLite, if json_extract() has only a single PATH argument and that PATH references a JSON null or a string or a numeric value, then json_extract() returns the. 2022. 3. 25. · In SQLite, the json_extract() function extracts and returns one or more values from well-formed JSON. We pass the JSON as an argument when we call the function, and it returns the applicable value/s. We can specify one or more paths to extract from the JSON document. Syntax. The syntax goes like this:. 2022. 5. 17. · SQLite Expert: Discover the Power of SQLite.

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RegExp tutorial: enough to get started PCRE v8.33 regexp documentation latest available release and currently implemented in AutoIt beta. SQLitespeed is another feature-rich premier SQLite manager (includes import/export). Well worth a try. SQLite Expert (freeware Personal Edition or payware Pro version) is a very useful SQLite database manager. "Extras" bucket for Scoop. Contribute to ScoopInstaller/Extras development by creating an account on GitHub. Here is the list of some of the most frequently used operators or metacharacters for making regular expressions in SQL. Operator. Operator Name. Function. (.) Any character - Dot Quantifier. Matches any single character in the character set of the database. (*) Asterisk or Star Quantifier.

A regular expression is a formation in order to match different text or words or numbers according to the given regex pattern. OR is a logic term used to provide selection choice from multiple choices. In this tutorial, we will explain what is Regex OR logic and how can we implement Regex OR in different programming languages like JavaScript, Python, C#, and Java.

It allows to extract a substring using Regular Expression Operators. sub_expression: It's an optional. If pattern has sub expression then it can be used to target the pattern sub expression. ... Oracle Regular Expression is a standardized syntax convention technique that allows us to pattern search for in string data. Oracle Regular. This C# tutorial uses Regex on each line in a text file. It uses the StreamReader class. Regex file. A file can be parsed with Regex. The Regex can process each line to find all matching parts. This is useful for log files or output from other programs. Here is a tutorial on processing a file with regular expressions in the C# language. Extract and count countries and cities (+their synonyms) from text, like GeoText on steroids using FlashText, a Aho-Corasick implementation. Flashgeotext is a fast, batteries-included (and BYOD) and native python library that extracts one or more sets of given city and country names (+ synonyms) from an input text. View Documentation View Github.

There are three ways a column can be name. - Just select the column name (e.g. dbo.Reservation.Id --> Id) - Define the column name followed with an equal (e.g. HasSubreservationRaum = (A subquery) - Or alias is it with the as (e.g (SELECT Value FROM dbo.Text WHERE FieldOid = dbo.Ressource.BezeichnungOid AND LanguageId = 'de') AS StatusBezeichnung). SQLite instr () takes a string and a substring of it as arguments, and returns an integer which indicates the position of the first occurrence of the substring within the string. The instr (ori_str,sub_str) function finds the first occurrence of string sub_str within string ori_str and returns the number of prior characters plus 1, or 0 if sub.

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pos: The position in expr at which to start the search. If omitted, the default is 1. occurrence: Which occurrence of a match to search for.If omitted, the default is 1. return_option: Which type of position to return.If this value is 0, REGEXP_INSTR() returns the position of the matched substring's first character.

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  • Now what happens if a document could apply to more than one department, and therefore fits into more than one folder? 
  • Do you place a copy of that document in each folder? 
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  • How do those changes make their way to the copies of that same document?

mariadb JSON_EXTRACT; mysql json query; json query; json extract; how to delete a record from sqlite in android; xampp import sql file command line; create database hive; vbscript connect mssql; how to install sqlite3 python; sqlite install python; sqlite select regex; temp table vs variable table in sql server; django mssql backend; mamp mysql. The LIKE, GLOB, REGEXP, MATCH, and extract operators. R-16584-60189:[The LIKE operator does a pattern matching comparison.] ... SQLite supports many simple, aggregate, and window SQL functions. For presentation purposes, simple functions are further subdivided into core functions,.

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The LIKE, GLOB, REGEXP, MATCH, and extract operators. R-16584-60189:[The LIKE operator does a pattern matching comparison.] ... SQLite supports many simple, aggregate, and window SQL functions. For presentation purposes, simple functions are further subdivided into core functions,. SQLite Forensics Fundamentals. 16 Hours / 2-Day. This course will give participants an understanding of SQLite, how data is stored and the skills necessary to create queries to extract, interpret and present information in a meaningful manner. This includes translating dates and times and querying information stored in multiple tables to create.

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To start, enter a regular expression and a test string. Or you can try an example. make permalink clear fields. Regex quick reference [abc] A single character of: a, b, or c [^abc] Any single character except: a, b, or c [a-z] Any single character in the range a-z [a-zA-Z] Any single character in the range a-z or A-Z ^.

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SQLite's table-valued functions are functions that can return multiple rows of tabular data. Behind-the-scenes, these function calls are actually just queries on a virtual table. The SQLite generate_series extension is a good example: If you're curious about the implementation of the generate_series virtual table, you can check out the C source. Sqlite Regexp Software DotConnect for SQLite Standard Edition v.1.00 An enhanced data provider for SQLite-based database applications development that offers both high performance native connectivity to the SQLite database and a number of innovative development tools and technologies.. "/>. this section discusses the regular expression functions in the re module in detail and the regex flags.. findall () - find all matches that match a regular expression in a string. fullmatch () - match the whole string with a pattern. finditer () - return an iterator yielding match objects over all non-overlapping matches for a regular expression. sqlite> select count(*) from emoji_text_search WHERE regex like 'smil%'; count(*) ----- 596 sqlite> select count(*) from emoji_text_search WHERE regex match 'smil*'; count(*) ----- 596 ... I have a 130gb .db file that I need to extract. Unfortunately I'm no expert with this kind of software. I have DB Browser SQL and Dbeaver and I can see the.

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Example to get the position of a regex match. In this example, we will search any 4 digit number inside the string. To achieve this, we must first write the regular expression pattern. Pattern to match any 4 digit number: \d {4} Steps: Search the pattern using the search () method. Next, we can extract the match value using group () Now, we can. The re.match () method will start matching a regex pattern from the very first character of the text, and if the match found, it will return a re.Match object. Later we can use the re.Match object to extract the matching string. After reading this article you will able to perform the following regex pattern matching operations in Python. Vb6 Sqlite software free downloads and reviews at WinSite. Free Vb6 Sqlite Shareware and Freeware. ... Sqlite Regexp; Ms Access Sqlite; ... SQLite Maestro allows you to create, edit, copy, extract and drop all the ... SQLite PHP Generator v.11.4 SQLite PHP Generator is a freeware but powerful SQLite GUI frontend that allows you to generate high. This C# tutorial uses Regex on each line in a text file. It uses the StreamReader class. Regex file. A file can be parsed with Regex. The Regex can process each line to find all matching parts. This is useful for log files or output from other programs. Here is a tutorial on processing a file with regular expressions in the C# language. On the Ablebits Data tab, in the Text group, click Regex Tools. On the Regex Tools pane, select the source data, enter your Regex pattern, and choose the Extract option. To get the result as a custom function, not a value, select the Insert as a formula check box. When done, click the Extract button.

Regular expressions are the data scientist's most formidable weapon against unstructured text. We live in a data-centric age. Data has been described as the new oil. But just like oil, data isn't always useful in its raw form. One form of data that is particularly hard to use in its raw form is unstructured data.

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SUBSTR(StudentName, 2, 4) substring the string "StudentName" starting from the second character, and return the next 4 characters. However, in the function SUBSTR(StudentName, 2) we didn't specify a number for the characters to be returned, that's why SQLite returned all the remaining characters in the "StudentName" starting from the second position.

Search: Spacy Matcher Regex. Launched in February 2003 (as Linux For You), the magazine aims to help techies avail the benefits of open source software and solutions It is common. 1. 2. # method 1: get list of column name . list(df. columns .values) The above function gets the column names and converts them to list.

SQLite is a public-domain software package that provides a relational database management system, or RDBMS. Relational database systems are used to store user-defined records in large tables. In addition to data storage and management,a database engine can process complex query commands that combine data from multiple tables to generate reports. Vb6 Sqlite software free downloads and reviews at WinSite. Free Vb6 Sqlite Shareware and Freeware. ... Sqlite Regexp; Ms Access Sqlite; ... SQLite Maestro allows you to create, edit, copy, extract and drop all the ... SQLite PHP Generator v.11.4 SQLite PHP Generator is a freeware but powerful SQLite GUI frontend that allows you to generate high.

The LIKE, GLOB, REGEXP, MATCH, and extract operators. The LIKE operator does a pattern matching comparison. 2006. 1. 13. · As I discussed a couple of months ago, DBD::SQLite exposes the SQLite sqlite3_create_function() API for adding Pure-Perl functions and aggregates to SQLite on a per-connection basis.

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Go has built-in API for working with regular expressions; it is located in regexp package. A regular expression defines a search pattern for strings. It is used to match text, replace text, or split text. A regular expression may be compiled for better performance. The Go syntax of the regular expressions accepted is the same general syntax.

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