Remove last part of link text mysql

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I have a table with description column text :

    <img src="" alt="\\">
    <img src="" alt="\\">

i want to remove last part of all link 687474703a2f2f736f757 and 687474703a2f243434344 as

    <img src="" alt="\\">
    <img src="" alt="\\">


$input  = explode('/', '');
$output = implode('/', array_slice($input, 0, 4));
echo $output;


Try this.

MySQL TRIM() function, The following MySQL statement returns the string after removing the leading and trailing spaces from the given string ' trim '. SELECT TRIM(' trim  mysql remove very last character [duplicate] This question already has an answer here: you would think this is answered somewhere but I cant find the exact answer. I need to remove the very last character in a string, it can be any character and the string can be any length.

You can select sub-string in mysql

SELECT *, SUBSTRING(columnName, 1, CHAR_LENGTH(columnName)-numOfCharactoerYouWantToRemove) as temp FROM `user`

For example,

SELECT *, SUBSTRING(description, 1, CHAR_LENGTH(description)-2) as temp FROM `user`

MySQL RIGHT() function, MySQL RIGHT() extracts a specified number of characters from the right side of a string. php mysql examples | w3resource"> <link rel="stylesheet" Second column shows a string containg last seven characters of the  Re: Remove specific characters from a string in MySQL Jul 29, 2015 10:51 PM | Lannie | LINK You can use INSTR to search for starting position of specific strings

In php you can go with :

$testText = "";
$testText = preg_replace('#(http.+/)[a-zA-Z0-9]+/?$#', '$1', $testText);

In javascript you can go with :

var testText = ""
var newText = testText.replace(/(http.+\/)[a-zA-Z0-9]+\/?$/, "$1")

MySQL LEFT Function: Get The Left Part of a String, In this tutorial, you will learn how to use the MySQL LEFT function to return the left part of a string with a specified length. First, use LENGTH to find the length of a string. Then, find use SUBSTR to get the entire string except for the LENGTH minus 1. SELECT SUBSTR(your_column, 0, LENGTH(your_column) - 1) FROM your_table; This will remove the last character from your string.

You could do this with regular expression. This is how you could do that in php.

$url= preg_replace('/([A-z]|\d)*$/', '', $url);
echo $url;

MySQL REPLACE String Function: Find & Replace Text, The REPLACE function is very handy to search and replace text in a table such as updating obsolete URL, correcting a spelling mistake, etc. The syntax of using​  You can use the REPLACE() function in native MySQL to do a simple string replacement. UPDATE tbl SET file_name = REPLACE(file_name, '.jpg', ''); UPDATE tbl SET file_name = REPLACE(file_name, '.rar', '');

Another alternative: using substr and strrpos.

// Obtained from the database, hard coded for the sake of this question
$urls = [
<?php foreach ($urls as $url) { ?>
    <img src="<?= substr($url, 0, strrpos(trim($url, " \t\n\r\0\x0B/"), '/')); ?>" alt="\\" />
<?php } ?>

What this does is gets a substring from the start of the string and then gets the position of the last occurring /.

Since you stated that the format of these URLs will always be the same, you don't need to worry about any trailing /. That being said, I used a trim with a custom mask to remove any leading or trailing /.

MySQL 8.0 Reference Manual :: 12.7 String Functions and , EXPORT_SET(), Return a string such that for every bit set in the value bits, TRIM(), Remove leading and trailing spaces ASCII() works for 8-bit characters. This enables you to put a database directory at a different location (for example, on a different disk) by setting up a symbolic link to it. Use of database symlinks on Windows is similar to their use on Unix, although the procedure for setting up the link differs.

Remove the last character from Variable String, SELECT SUBSTRING(col, 1, CHAR_LENGTH(col) - CHAR_LENGTH( SUBSTRING_INDEX(col, '.com', -1) ) ) ;. If you want update the strings  / Functions and Operators / Full-Text Search Functions / Full-Text Stopwords 12.9.4 Full-Text Stopwords The stopword list is loaded and searched for full-text queries using the server character set and collation (the values of the character_set_server and collation_server system variables).

PHP trim() Function, Example. Remove characters from both sides of a string ("He" in "Hello" and "d!" in "World"): <?php $str = "Hello World!"; echo $str . "<br>"; echo trim($str,"Hed!"); Example of MySQL REPLACE() function with where clause The following MySQL statement replaces all the occurrences of ‘K’ with 'SA' within the column country from the table publisher for those rows, in which the column value of country is the UK.

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