Replacing Spaces with Underscores

How to replace underscores with spaces?

You can replace all underscores in a string with a space like so:

str.replace(/_/g, ' ');

So just do that before the content is put in. If you need to perform the replacement afterwards, loop using each:

$('.name').each(function () {
    this.textContent = this.textContent.replace(/_/g, ' ');
});

Replacing spaces with underscores in JavaScript?

Try .replace(/ /g,"_");

Edit: or .split(' ').join('_') if you have an aversion to REs

Edit: John Resig said:

If you're searching and replacing
through a string with a static search
and a static replace it's faster to
perform the action with
.split("match").join("replace") -
which seems counter-intuitive but it
manages to work that way in most
modern browsers. (There are changes
going in place to grossly improve the
performance of .replace(/match/g,
"replace") in the next version of
Firefox - so the previous statement
won't be the case for long.)

Replacing Spaces with Underscores

$name = str_replace(' ', '_', $name);

Replace spaces with a Underscore in a URL

Try using str_replace for replace space with underscore

<div class="groupinfo">
<a href="<?= base_url() ?>group/group_id/<?= $gr->grp_id ?>/<?= str_replace(" ","_",$gr->grp_name) ?>">
</div>

Replace initial spaces with underscores in Javascript

I want to replace each of the leading spaces with an underscore

To do that with just one replace call within the current spec,* you'd need the function call version of replace to do that, creating a string of underscores as long as the matched sequence of spaces:

y = x.replace(/^ +/, function(m) {
    return "_".repeat(m.length);
});

or with an ES2015+ arrow function:

y = x.replace(/^ +/, m => "_".repeat(m.length));

Live Example:

const x = "    four spaces";const y = x.replace(/^ +/, m => "_".repeat(m.length));console.log(y);

Replace spaces with underscores inside array elements in PySpark

Use highe order functions to replace white space through regexp_replace

schema

root
 |-- id: long (nullable = true)
 |-- objects: array (nullable = true)
 |    |-- element: string (containsNull = true)

solution

df.withColumn('concat_obj', expr("transform(objects, x-> regexp_replace(x,' ','_'))")).show(truncate=False)

+---+------------------------------------+------------------------------------+
|id |objects                             |concat_obj                          |
+---+------------------------------------+------------------------------------+
|1  |[sun, solar system, mars, milky way]|[sun, solar_system, mars, milky_way]|
|2  |[moon, cosmic rays, orion nebula]   |[moon, cosmic_rays, orion_nebula]   |
+---+------------------------------------+------------------------------------+

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