In this remove special characters from string php tutorial, We will step by step learn how to remove special character from string in PHP source code. many times – I required to fetch output of an input data string as a easy to use php string replace composition of all the available alphabets as well as numbers with, want to delete all not supported special characters from data string by using php preg_replace. Show
Use the PHP htmlspecialchars() function
all the available characters like as You can also check other tutorial of string,
There are Best two Method support to remove/delete special character from Data string using php full source code with php remove character from string examples. Method 1: Preg_replace PHP FunctionI can remove or delete special character from sting using preg_replace, As like name its using regular expression to remove or delete special character from string. Remove Special characters from String php You can get more php remove character from string details of regular expression from PHP Regular Expression Usage & Example tutorials. Syntax Of Preg_replace PHP Function:$result = preg_replace($pattern, $replaceWith , $string);
Remove Special Character From String In PHP:function RemoveSpecialChar($value){ $result = preg_replace('/[^a-zA-Z0-9_ -]/s','',$value); return $result; } How To Call Method:echo RemoveSpecialChar("loves't jiorockers ' ' tamil"); output: loves t jiorockers tamil Method 2: Str_replace PHP FunctionYou can also use Extra available new PHP function str_replace() to get the same type of the data result as above source code, if I know what all I have to remove or delete special characters using php str_replace. Syntax Of Str_replace PHP Function:$slogan = str_replace( array( '\'', '"', ',' , ';', '<', '>' ), ' ', $value); Example To Remove Special Character From String In PHP:function RemoveSpecialChapr($value){ $slogan = str_replace( array( '\'', '"', ',' , ';', '<', '>' ), ' ', $value); return $slogan; } How To Call Methodecho RemoveSpecialChar("loves't jiorockers ' ' tamil"); output: loves t jiorockers tamil Clean String for SEO Friendly URLThe bellow full source code cleans a data string that can be used in the URI some mainsegment in PHP scripts for crating anew SEO friendly URL. <?php function RemoveSpecialChar($user_input){ // Replaces or deletes all spaces with hyphens. $user_input = str_replace(' ', '-', $user_input); // Removes/deletes special chars. $user_input = preg_replace('/[^A-Za-z0-9\-]/', '', $user_input); // Replaces or deletes multiple hyphens with single one. $user_input = preg_replace('/-+/', '-', $user_input); return $user_input; } $user_input = "Welcome to Pakainfo.com for free download php projects."; echo $removeSpecialChar = RemoveSpecialChar($user_input); Results:Welcome-to-Pakainfocom-for-free-download-php-projects Remove ALL non-alphanumeric characters<?php //String containing non-alphanumeric characters $user_input = "pakainfo*is-a'welcome ()"; var_dump($user_input); //Remove or delete any character that isn't A-Z, a-z or 0-9. $user_input = preg_replace("/[^A-Za-z0-9]/", '', $user_input); var_dump($user_input); Results:string(24) "pakainfo*is-a'welcome ()" string(18) "pakainfoisawelcome" Regex to remove non-alphanumeric characters – except hyphens.
<?php $user_input = "mr-changadash()*&>>>>"; $user_input = preg_replace("/[^A-Za-z0-9-]/", '', $user_input); var_dump($user_input); Results:string(13) "mr-changadash" complete PHP string-cleaning function
<?php function cleanString($string) { // allow only letters $res = preg_replace("/[^a-zA-Z]/", "", $string); // trim what's left to 8 chars $res = substr($res, 0, 8); // create a lowercase $res = strtolower($res); // return return $res; } // demo the function echo cleanString("[email protected]#$%^&*()-=+_][{};:/.,<>?AAMNBVCXZLKJHG'"); Results:angulark I hope you get an idea about remove special characters from string php. I am Jaydeep Gondaliya , a software engineer, the founder and the person running Pakainfo. I’m a full-stack developer, entrepreneur and owner of Pakainfo.com. I live in India and I love to write tutorials and tips that can help to other artisan, a Passionate Blogger, who love to share the informative content on PHP, JavaScript, jQuery, Laravel, CodeIgniter, VueJS, AngularJS and Bootstrap from the early stage. How remove all special characters from a string in PHP?This should do what you're looking for: function clean($string) { $string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens. return preg_replace('/[^A-Za-z0-9\-]/', '', $string); // Removes special chars. }
How do I remove special characters from a string?Example of removing special characters using replaceAll() method. public class RemoveSpecialCharacterExample1.. public static void main(String args[]). String str= "This#string%contains^special*characters&.";. str = str.replaceAll("[^a-zA-Z0-9]", " ");. System.out.println(str);. How do you check if a string contains a special character in PHP?Answer: Use the PHP strpos() Function
You can use the PHP strpos() function to check whether a string contains a specific word or not. The strpos() function returns the position of the first occurrence of a substring in a string. If the substring is not found it returns false .
How do I allow special characters in PHP?The htmlspecialchars() function is used to converts special characters ( e.g. & (ampersand), " (double quote), ' (single quote), < (less than), > (greater than)) to HTML entities ( i.e. & (ampersand) becomes &, ' (single quote) becomes ', < (less than) becomes < (greater than) becomes > ).
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