PHP preg_replace() Function
October 29, 2020
Hello dear readers! welcome back to another section of our tutorial on PHP. In this tutorial guide, we will be discussing about the PHP preg_replace() function.
PHP preg_replace() function works like the PHP POSIX ereg_replace() function, except that regular expressions can be made use of in the pattern and replacement input parameters.
The optional parameter limit is used for specifying how many matches should take place.
If the optional parameter $count is passed, then this variable is going be filled up with the number of replacements done.
PHP preg_replace() function works like the PHP POSIX ereg_replace() function, except that regular expressions can be made use of in the pattern and replacement input parameters.
The optional parameter limit is used for specifying how many matches should take place.
If the optional parameter $count is passed, then this variable is going be filled up with the number of replacements done.
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Syntax
The following is the syntax for the preg_replace() function -
mixed preg_replace (mixed pattern, mixed replacement, mixed string [, int limit [, int & $count ]] );
Return Value
- After the replacement has occurred, the modified string will be returned.
- If no matches are found, the string will not be changed.
Example
Following is a simple example -
<?php $copy_date = "Copyright 2017"; $copy_date = preg_replace("([0-9]+)", "2020", $copy_date); print $copy_date; ?>
Output
When the above code is executed, it will produce the following result -
Copyright 2020
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Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP preg_split() Function.
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Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.
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Thanks for reading and bye for now.