How to remove spaces before and after a string?

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I have two words spirited by space of course, and a lot of spaces before and after, what I need to do is to remove the before and after spaces without the in between once.

How can I remove the spaces before and after it?

You don't need regex for that, use trim():

$words = '      my words     ';
$words = trim($words);
// string(8) "my words"

This function returns a string with whitespace stripped from the beginning and end of str.

How to remove spaces before and after a string?, For space character the unicode value is '\u0020'. This method checks for this unicode value before and after the string and if it exists then� You can delete or remove spaces before text string (remove leading spaces from text string) as follows: 1. Select the range that you need to remove the leading spaces. 2.

For completeness (as this question is tagged regex), here is a trim() reimplementation in regex:

function preg_trim($subject) {
    $regex = "/\s*(\.*)\s*/s";
    if (preg_match ($regex, $subject, $matches)) {
        $subject = $matches[1];
    return $subject;
$words = '      my words     ';
$words = preg_trim($words);
// string(8) "my words"

Trim (Remove leading and trailing spaces) a string in Java , If you want to get rid of all the duplicate whitespaces and newline characters, then you can use join() function with string split() function. >>> " ".join(s.split()) ' Hello� There are various approaches to remove whitespaces in a string. The first one is the Naive approach, which has been discussed in this article. But here we will discuss all the approaches which are specific to Python. Approach#1 : Using replace ()

For some reason two solutions above didnt worked for me, so i came up with this solution.

function cleanSpaces($string) {
    while(substr($string, 0,1)==" ") 
        $string = substr($string, 1);
    while(substr($string, -1)==" ")
        $string = substr($string, 0, -1);
    return $string;

Python Remove Spaces from String, There are several ways to remove spaces from string, and this Excel TRIM formula successfully eliminated all spaces before and after the text� Formula-free way to remove spaces and clean data. Select the cells (range, entire column or row) where you want to delete extra spaces. Click the Trim Spaces button on the ribbon. Choose one or more options: Remove leading and trailing spaces. Trim extra spaces between words to one. Delete

The question was about how to do it with regex, so:

$str1=~ s/^\s+|\s+$//g; 

That says ^ at the begining \s+ (white space) | or \s+$ (whitespace at the end) //g remove repeatedly. this same concept works in 'ed' (vi/vim)

sometimes it is better just to answer the question that was asked.

How to remove blank spaces in Excel, And then, you supply that number to another MID function so that it returns the entire text string (the string length is calculated by LEN) starting at� The figure illustrates how you can remove superfluous spaces by using the TRIM function. The TRIM function is relatively straightforward. Simply give it some text and it removes all spaces from the text except for single spaces between words.

If trim is not working for you as well , try this. You just need to write it to a different variable;

$str = ' hello world ';
echo strlen($str);

$trim_str = trim($str);
echo strlen($trim_str);

Excel TRIM function - quick way to remove extra spaces, So, if we have the string "GPS ", after passing it through the trim() function, the string would then change to "GPS". The trim() function erases white space from the� Remove Space in Python – (strip Leading, Trailing, Duplicate spaces in string) Remove (strip) space at the start of the string in Python – trim leading space. Remove (strip) space at the end of the string in Python – trim trailing space. Remove (strip) white spaces from start and end of the string –

How to Remove Whitespace from a String in PHP, On the other hand if you want to remove all white spaces from string i.e. white space from beginning, end and between words then you can use replaceAll()� If you also need to remove line breaks from cells, you can add the CLEAN function like so: = TRIM(CLEAN(text)) The CLEAN function removes a range of non-printing characters, including line breaks, and returns "cleaned" text. The TRIM function then takes over to remove extra spaces and returns the final text.

How to remove all white space from String in Java, There are two more methods for removing either leading spaces or trailing spaces. If you want to remove only trailing white spaces then you can� SQL contains two functions for trimming the white space from a string: The LTRIM function is used to remove any white spaces from the beginning of a string. The RTRIM function is used to remove any white spaces from the end of a string. Both these string functions are available in SQL Server, Oracle, MySQL and Microsoft Access.

Remove Spaces From a String in Java - trim(), strip(), ltrim() - Strip whitespace (or other characters) from the beginning of a string; rtrim () if you are using trim and you still can't remove the whitespace then check if� To remove additional or extra spaces we use different VBA functions like LTRIM, TRIM, or RTRIM. We use LTRIM function to remove left most or starting of the string spaces. To remove right most or end of the string spaces we use RTRIM function. Finally we use TRIM function in VBA Remove Spaces macro to remove all extra spaces in a string.

  • How come this didn't work for me ? I still see my white spaces after the strings. Any hints ? Anyone ?
  • Maybe they are not really whitespaces. I encountered this problem with texts from Office Word.
  • Be aware that while this may work, the overhead for the recursion makes this extremely slow and inefficient. I am not sure why trim didn't work for you as it should work fine on any string.