How do I get rid of extra white spaces in a string?

How do I get rid of extra white spaces in a string?

The replaceAll() method of the String class replaces each substring of this string that matches the given regular expression with the given replacement. You can remove white spaces from a string by replacing ” ” with “”.

How can I remove the trailing spaces from a string in C?

Logic to remove trailing white spaces

  1. Input string from user, store it in some variable say str.
  2. Initialize a variable to store last index of a non-white space character, say index = -1.
  3. Run a loop from start of the str till end.

How do you trim a space in a string in C++?

Trim a string in C++ – Remove leading and trailing spaces

  1. Using find_first_not_of() with find_last_not_of() function.
  2. Using std::find_if function.
  3. Custom function.
  4. Using std::regex_replace function.
  5. Using Boost Library.

How do I trim a string in C?

Use Another Custom Function to Trim a String in C Similar to the previous trimming function, trimString2 is implemented to remove spaces from both sides of the string. The first while loop calculates the number of spaces at the end of the string, and the second loop moves the pointer to the first non-space character.

Which function is used to remove all the white space in a string 1 point Lstrip strip Rstrip remove?

lstrip() removes leading white-spaces, rstrip() removes trailing white-spaces and strip() removes leading and trailing white-spaces from a given string.

How can I copy just a portion of a string?

We can use string function strncpy() to copy part strings. Part of the second string is added to the first string. strcpy(destination_string, source_string, n);

How do I remove spaces from a char array?


  1. #include
  2. int main()
  3. {
  4. int i, len = 0,j;
  5. char str[] = “Remove white spaces”;
  6. //Calculating length of the array.
  7. len = sizeof(str)/sizeof(str[0]);
  8. //Checks for space character in array if its there then ignores it and swap str[i] to str[i+1];

What is the function of trim ()?

Removes all spaces from text except for single spaces between words. Use TRIM on text that you have received from another application that may have irregular spacing. Important: The TRIM function was designed to trim the 7-bit ASCII space character (value 32) from text.

How do you remove whitespace from the left right or both sides of a string in Python?

Python strip method – removes spaces from left and right of the string and returns the copy of the string. lstrip method – returns the string after removing leading whitespaces. rstrip method – returns a string after removing the trailing whitespace – the space towards the right of the string.

How to remove all white spaces in a string?

isspace helps to trim all white spaces. Run a second loop to check from first byte for space character and reduce the length variable and increment char pointer. Finally if length variable is more than 0, then use strndup to create new string buffer by excluding spaces. Show activity on this post.

How do I remove space from a string using trimchars?

If trimChars is null or an empty array, white-space characters are removed instead. If no characters can be trimmed from the current instance, the method returns the current instance unchanged. The following example uses the Trim (System.Char []) method to remove space, asterisk (*), and apostrophe (‘) characters from a string.

How to remove leading space from a string in C?

Given string str, the task is to write C program to remove leading space from the given string. Approach: The idea is to count the leading spaces in the given string and then from that count index copy the characters from that index to the front of the string.

How does strcpy trim work?

It trims in place if src == dst, otherwise, it works like the strcpy routines. It trims a set of characters specified in the string delim, or white space if null. It trims left, right, both, and all (like tr). There is not much to it, and it iterates over the string only once.