How do I remove spaces from a node js string?

How do you remove spaces from a string?

To remove all white spaces from String, use replaceAll() method of String class with two arguments, i.e. Article Tags : Java-Strings.

How do I remove spaces in JavaScript?

Remove Spaces From a String in JavaScript

  1. Use replace() to Only Replace White Space.
  2. Use replace() to Only Replace All Spaces.
  3. Use split() and join() Methods to Remove Spaces From a String in JavaScript.

How do you remove spaces in ArrayList?

Removing spaces from an ArrayList

  1. public ArrayList removeSpace()
  2. {
  3. Iterator<String> it = array.iterator();
  4. while (it.hasNext())
  5. {
  6. if (it.next().equals(” “))
  7. {
  8. it.remove();

Which function is used to remove whitespace from start the string?

Method 1: Using ltrim() Method: The ltrim() method is used to strip whitespace only from the beginning of a string.

How do you check if a string is only spaces?

Use the str. isspace() method: Return True if there are only whitespace characters in the string and there is at least one character, False otherwise.

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How do I remove all spaces from a string in Java?

How do you remove all white spaces from a string in java?

  1. public class RemoveAllSpace {
  2. public static void main(String[] args) {
  3. String str = “India Is My Country”;
  4. //1st way.
  5. String noSpaceStr = str.replaceAll(“\s”, “”); // using built in method.
  6. System.out.println(noSpaceStr);
  7. //2nd way.

How do I remove the last character of a string?

There are four ways to remove the last character from a string:

  1. Using StringBuffer. deleteCahrAt() Class.
  2. Using String. substring() Method.
  3. Using StringUtils. chop() Method.
  4. Using Regular Expression.

How do I remove all spaces from an Arraylist in Java?

Your answer

replaceAll(“\s+”,””) removes all whitespaces and non-visible characters (e.g., tab, n).

How do you remove spaces from a char array in Java?

JAVA

  1. public class removeWhiteSpace {
  2. public static void main(String[] args) {
  3. String str1=”Remove white spaces”;
  4. //Removes the white spaces using regex.
  5. str1 = str1.replaceAll(“\s+”, “”);
  6. System.out.println(“String after removing all the white spaces : ” + str1);
  7. }
  8. }

How do you remove null from Arraylist?

Algorithm:

  1. Get the list with null values.
  2. Create an iterator from the list.
  3. Traverse through each element of the List with the of created Iterator.
  4. Check, for each element, if it is null. If found null, call IteratorElement. remove() on that element.
  5. Return/Print the list (now with all null values removed).

Is substring in string PHP?

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 . Also note that string positions start at 0, and not 1.

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What is trim function in PHP?

The trim() function removes whitespace and other predefined characters from both sides of a string. Related functions: ltrim() – Removes whitespace or other predefined characters from the left side of a string.

How remove all special characters from a string in PHP?

Method 1: Using str_replace() Method: The str_replace() method is used to remove all the special character from the given string str by replacing these character with the white space (” “). Example : PHP.