How do I remove a symbol from a string?

Example of removing special characters using replaceAll() method

  1. public class RemoveSpecialCharacterExample1.
  2. {
  3. public static void main(String args[])
  4. {
  5. String str= “This#string%contains^special*characters&.”;
  6. str = str.replaceAll(“[^a-zA-Z0-9]”, ” “);
  7. System.out.println(str);
  8. }

How do I remove a word from a string in PHP?

You can used array_diff and then array_values for reset array indexing. input->post(‘keyword’); $string = explode(” “, $string); $omit_words = array(‘the’,’i’,’we’,’you’,’what’,’is’); $result = array_values(array_diff($string,$omit_words)); print_r($result); //Array ([0] => want) ?>

How do I remove numbers and special characters from a string in PHP?

Remove Special Character in PHP

  1. Use the preg_replace() Function to Remove Special Character in PHP.
  2. Use the str_replace() Function to Remove Special Character in PHP.
  3. Use the trim() Function to Remove Special Character in PHP.
  4. Use the htmlspecialchars() and str_ireplace() Functions to Remove Special Character in PHP.

How do I remove special characters from a string in R?

1 Answer

  1. To remove all special characters from a string, you can use the string_replace_all function from the stringr package as follows:
  2. To remove all the punctuation characters:
  3. To remove all the non-alphanumeric characters:
  4. You can also use the gsub function from the base package as follows:

How can I remove last character from a string in PHP?

To remove the last character from string in PHP.

  1. Method First – substr function. You can use the substr function of php for remove the last character from string in php.
  2. Method Second – substr_replace function.
  3. Method Third – rtrim() function.

How can I replace words in a string in PHP?

The str_replace() function replaces some characters with some other characters in a string. This function works by the following rules: If the string to be searched is an array, it returns an array. If the string to be searched is an array, find and replace is performed with every array element.

How can I replace part of a string in PHP?

The str_replace() is a built-in function in PHP and is used to replace all the occurrences of the search string or array of search strings by replacement string or array of replacement strings in the given string or array respectively.

How do I remove something from a string in C++?

In C++ we can do this task very easily using erase() and remove() function. The remove function takes the starting and ending address of the string, and a character that will be removed.