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?

php remove all special characters, php remove special characters, remove special characters from string php
Remove Special characters from String 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<info, the |info o^f pro?exams&ing.";

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

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|"[email protected]£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|"[email protected]£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|"[email protected]£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|"[email protected]£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|"[email protected]£de^&$f g');

Methos – 6

php Remove all special character from string

$input_client_data = 'a|"[email protected]£de^&$f g';
echo preg_match('/'.preg_quote('^\'£$%^&*()}{@#~?><,@|-=-_+-¬', '/').'/', $input_client_data);

Methos – 7

php Remove special character from string

$input_client_data = 'a|"[email protected]£de^&$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",
    )));

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