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PHP: preg_replace - Manual
https://www.php.net/manual/en/function.preg-replace.php
WEBpreg_replace — Perform a regular expression search and replace. Description ¶. preg_replace ( string | array $pattern, string | array $replacement, string | array $subject, int $limit = -1, int &$count = null. ): string | array | null. Searches subject for matches to pattern and replaces them with replacement .
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PHP preg_replace() Function - W3Schools
https://www.w3schools.com/php//func_regex_preg_replace.asp
WEBPHP Numbers PHP Casting PHP Math PHP Constants PHP Magic Constants PHP Operators PHP If...Else...Elseif PHP If PHP If Operators PHP If...Else PHP Shorthand if PHP Nested if PHP Switch PHP Loops
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PHP preg_replace() Function - PHP Tutorial
https://www.phptutorial.net/php-tutorial/php-preg_replace/
WEB$replacement = '\2-\1-\3' ; $str = '25-12-2021' ; echo preg_replace($pattern, $replacement, $str); Code language: PHP (php) Output: 12-25-2021 Code language: PHP (php) How it works. The following regular expression matches the date in the dd-mm-yyyy format: /(\d{ 2 })-(\d{ 2 })-(\d{ 4 })/ Code language: PHP (php)
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Using PHP replace regex with regex - Stack Overflow
https://stackoverflow.com/questions/22040272/using-php-replace-regex-with-regex
WEBFeb 26, 2014 · If you need to refer to the whole match from the string replacement pattern all you need is a $0 placeholder, also called replacemenf backreference. So, you want to wrap a match with some text and your regex is #\w+, then use. $text = "any word here related to #English must #be replaced.";
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PHP Regular Expressions - PHP Tutorial
https://www.phptutorial.net/php-tutorial/php-regular-expressions/
WEBTo search or replace a string using a pattern, you use regular expressions. A regular expression is a string that describes a pattern such as phone numbers, credit card numbers, and email addresses. Create regular expressions. To create a regular expression, you place a pattern in forward-slashes like this: '/pattern/'; Code language: …
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PHP: str_replace - Manual
https://www.php.net/manual/en/function.str-replace.php
WEBTo remove all characters from string $b that exist in string $a: $a="ABC"; $b="teAsBtC"; echo str_replace(str_split($a),'',$b); Output: test. To remove all characters from string $b that don't exist in string $a: $a="ABC"; $b="teAsBtC"; echo str_replace(str_split(str_replace(str_split($a),'',$b)),'',$b);
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Search and Replace Strings With Regular Expressions in PHP
https://code.tutsplus.com/search-and-replace-with-regular-expressions-in-php--cms-36690t
WEBMar 30, 2021 · Using preg_replace() to Search and Replace in PHP. You can use the preg_replace() function to search for patterns in a string and then replace them. This function accepts three required parameters. The first one is the pattern you want to find.
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PHP: preg_replace_callback - Manual
https://www.php.net/manual/en/function.preg-replace-callback.php
WEBpreg_replace_callback — Perform a regular expression search and replace using a callback. Description ¶. preg_replace_callback ( string | array $pattern, callable $callback, string | array $subject, int $limit = -1, int &$count = null, int $flags = 0. ): string | array | null.
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Regular Expressions in PHP - Tutorial Republic
https://www.tutorialrepublic.com/php-tutorial/php-regular-expressions.php
WEBPHP Regular Expressions. In this tutorial you will learn how regular expressions work, as well as how to use them to perform pattern matching in an efficient way in PHP. What is Regular Expression. Regular Expressions, commonly known as " regex " or " RegExp ", are a specially formatted text strings used to find patterns in text.
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PHP Live Regex
https://www.phpliveregex.com/
WEBTest PHP regular expressions live in your browser and generate sample code for preg_match, preg_match_all, preg_replace, preg_grep, and preg_split! — A Live Regular Expression Tester for PHP Tutorials and Regex Database
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