JavaScript split String with white space

Question

I would like to split a String but I would like to keep white space like   var str    my car is red    var stringArray      stringArray  0     my   stringArray  1         stringArray  2     car   stringArray  3         stringArray  4     is   stringArray  5         stringArray  6     red     How I can proceed to do that   Thanks

User · Answer

You can just split on the word boundary using \b. See MDN

"\b: Matches a zero-width word boundary, such as between a letter and a space."

You should also make sure it is followed by whitespace \s. so that strings like "My car isn't red" still work:

var stringArray = str.split(/\b(\s)/);

The initial \b is required to take multiple spaces into account, e.g. my car is red

EDIT: Added grouping

User · Answer

In case you re sure you have only one space between two words  you can use this one str replace   s  g        split      so you replace one space by two  the split by space

User · Answer

For split string by space like in Python lang  can be used      var w    hello    my brothers           w split    s     filter  function e    return e trim   length  gt  0         output        hello    my    brothers          or similar      w split    s     filter  e   gt  e trim   length  gt  0     output some

User · Answer

str split      join          split

User · Answer

You could split the string on the whitespace and then re-add it  since you know its in between every one of the entries   var string    text to split       string   string split       var stringArray   new Array    for var i  0  i  lt  string length  i         stringArray push string i        if i    string length-1           stringArray push                 Update  Removed trailing space

User · Answer

Using regex   var str      my car is red   var stringArray   str split    s       console log stringArray        my         car         is         red       s matches any character that is a whitespace  adding the plus makes it greedy  matching a group starting with characters and ending with whitespace  and the next group starts when there is a character after the whitespace etc

User · Answer

Although this is not supported by all browsers  if you use capturing parentheses inside your regular expression then the captured input is spliced into the result      If separator is a regular expression that contains capturing parentheses  then each time separator is matched  the results  including any undefined results  of the capturing parentheses are spliced into the output array   reference    So   var stringArray   str split    s                                              Output     my         car         is         red     This collapses consecutive spaces in the original input  but otherwise I can t think of any pitfalls

[javascript] JavaScript split String with white space

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