Remove Special characters from String php

Today, We want to share with you Remove Special characters from String php.In this post we will show you php remove special characters from string, hear for remove all special characters from string php we will give you demo php remove all special characters example for implement.In this post, we will learn about remove specific characters from string php with an example.

Remove Special characters from String php

There are the Following The simple About php remove specials character from string except space Full Information With Example and source code.

As I will cover this Post with live Working example to develop remove specials character from string in php, so the remove html special character from string php is used for this example is php remove special characters following below.

How to Remove Special Characters from String in PHP?

hear we will use may method for remove “special character” with function such as a str_replace, preg_replace, strtolower, preg_match and other methods.

Remove Special Characters from String

$example_demo = "Wel%come *to( paka
Results On remove special characters from string php
Welcometopakainfotheinfoofproexamsing

Remove Special Characters from String Except Space
$removeSpecialChar = preg_replace('/[^A-Za-z0-9 ]/', '', $example_demo);

Results
Welcome to pakainfo the info of proexamsing

Clean String for SEO Friendly URL
function removeSpecialChar($example_demo){

    $example_demo = str_replace(' ', '-', $example_demo);

    $example_demo = preg_replace('/[^A-Za-z0-9\-]/', '', $string);

    $example_demo = preg_replace('/-+/', '-', $example_demo);
    
    return $example_demo;
}

$removeSpecialChar = removeSpecialChar($example_demo);

Output:
Welcome-to-pakainfo-the-info-of-proexamsing

Methos – 1 : For php Remove special characters from string
This methos is very easy and simple for use and execute For php Remove special character from a string.
function removeSpecialChar($input_client_data) {
 
   // Replaces all spaces using hyphens.
   $input_client_data = str_replace(' ', '-', $input_client_data); 
 
   // Removes special chars wothout A to Z and 0 to 9.
   return preg_replace('/[^A-Za-z0-9\-]/', '', $input_client_data); 
 
}
 
// call to function removeSpecialChar with string
echo removeSpecialChar('a|"btestc!@£de^&$f g');

Methos – 2 php Remove special character from string
This methos is very easy and simple for use and execute For php Remove all special character from a string.
function removeSpecialChar($input_client_data) {
    // Replaces all spaces with hyphens.
    $input_client_data = str_replace(' ', '-', $input_client_data); 
     
    // Removes special chars.
    $input_client_data = preg_replace('/[^A-Za-z0-9\-]/', '', $input_client_data); 
 
    // Replaces multiple hyphens with single one.
    return preg_replace('/-+/', '-', $input_client_data); 
}
 
// call to function removeSpecialChar with string
echo removeSpecialChar('a|"btestc!@£de^&$f g');

Methos – 3 
php Remove special character from string
function removeSpecialChar($input_client_data){
    $input_client_data = strtolower($input_client_data);
    $input_client_data = preg_replace('/[^a-z0-9 -]+/', '', $input_client_data);
    $input_client_data = str_replace(' ', '-', $input_client_data);
    return trim($input_client_data, '-');
}
 
// call to function removeSpecialChar with string
echo removeSpecialChar('a|"btestc!@£de^&$f g');

Methos – 4 
php Remove special character from string
function removeSpecialChar($input_client_data){
 
    $input_client_data = str_replace(array('[\', \']'), '', $input_client_data);
     
    $input_client_data = preg_replace('/\[.*\]/U', '', $input_client_data);
     
    $input_client_data = preg_replace('/&(amp;)?#?[a-z0-9]+;/i', '-', $input_client_data);
     
    $input_client_data = htmlentities($input_client_data, ENT_COMPAT, 'utf-8');
     
    $input_client_data = preg_replace('/&([a-z])(acute|uml|circ|grave|ring|cedil|slash|tilde|caron|lig|quot|rsquo);/i', '\\1', $input_client_data );
     
    $input_client_data = preg_replace(array('/[^a-z0-9]/i', '/[-]+/') , '-', $input_client_data);
     
    return strtolower(trim($input_client_data, '-'));
}
 
// call to function removeSpecialChar with string
echo removeSpecialChar('a|"btestc!@£de^&$f g');

Methos – 5
php Remove special character from string
function removeSpecialChar($input_client_data)
{
    // Removes special chars wothout A to Z and 0 to 9.
    $input_client_data = preg_replace("/[^a-zA-Z0-9\s]/", "", $input_client_data);
 
    // Then changes spaces for unserscores
    $input_client_data = preg_replace('/\s/', '-', $input_client_data);
 
    // Finally encode it ready for use
    $input_client_data = urlencode($input_client_data);
 
}
 
// call to function removeSpecialChar with string
echo removeSpecialChar('a|"btestc!@£de^&$f g');

Methos – 6
php Remove all special character from string
$input_client_data = 'a|"btestc!@£de^&$f g';
echo preg_match('/'.preg_quote('^\'£$%^&*()}{@#~?><,@|-=-_+-¬', '/').'/', $input_client_data);

Methos – 7
php Remove special character from string
$input_client_data = 'a|"btestc!@£de^&$f g';
 
if (preg_match('/[\'^£$%&*()}{@#~?><>,|=_+¬-]/', $input_client_data))
{
    // one or more 'special character' found in $input_client_data
    echo preg_match('/'.preg_quote('^\'£$%^&*()}{@#~?><,@|-=-_+-¬', '/').'/', $input_client_data);    
}

Methos – 8
php Remove special character from string
function removeSpecialChar($input_client_data) {
    return
    ## strtolower(
          preg_replace(
            array('#[\\s-]+#', '#[^A-Za-z0-9\. -]+#'),
            array('-', ''),
        ##     cleanString(
              urldecode($input_client_data)
        ##     )
        )
    ## )
    ;
}
 
print implode("\n", array_map(
    function($input_client_data) {
            return $input_client_data . ' => ' . removeSpecialChar($input_client_data);
    },
    array(
    'EVER%20gonna%20show%20you%20there',
    "I'm not the man I was",
    "'Légeresse' - dit sa majesté - adiós",
    )));

Web Programming Tutorials Example with Demo
Read :

Jobs
Make Money
Programming

Summary
You can also read about  AngularJS, ASP.NET,  VueJs,  PHP.
I hope you get an idea about php remove all special character from string.

I would like to have feedback on my infinityknow.com blog.

Your valuable feedback, question, or comments about this article are always welcome.

If you enjoyed and liked this post, don’t forget to share.


 
Related posts:

remove special characters from string php
How to Remove all special characters from a string in php?
php remove last character from string Code Example
How to remove the first character of a string in JavaScript?
remove non alphanumeric characters javascript
How to Remove the Last Character of a String in javascript?