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List item joiner

World's simplest list tool

This is a super simple browser-based application that joins all items of a list together. As various lists have various delimiters between the items, you can specify either a regexp or a single character as the delimiter. When joining the items, you can clear the unneeded whitespace around the items and skip the empty items. When the output list items are merged together, you can choose the new delimiter symbol. Created by list geeks from team Browserling.
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List Item Options
Split list items by a symbol.
Split list items by a regexp.
Enter split character or regexp.
Join List Options
Glue items with this symbol. (By default, the space symbol.)
Whitespace Cleanup
Remove whitespaces on the left-side of items.
Remove whitespaces on the right-side of items.
Remove empty items.
List item joiner tool What is a list item joiner?
With this utility, you can merge the items of any list. The list items can be strings, textual data, or numeric data. The list itself can be represented in any format. To separate individual list items, you can use a regular expression or a separator character. Just select the separator mode you'll be using in the first block of options and enter the separating regex or character that matches your input list. When the items of the list are extracted, you can join them together by specifying the glue symbol. By default, the items are glued together through a single whitespace character. As appropriate, you can also use the quick options to trim all list items on the left and right sides and to remove empty list items. Listabulous!
List item joiner examples Click to use
Merge a Breakfast Menu
This example uses a vertical breakfast menu as input. Each breakfast item is on its own line. To merge all the breakfast foods together, we first extract the individual items from the list by splitting the input data by the newline character "\n". Then, we glue all extracted items together thru the comma symbol and return the merged string to the output.
Pancakes Coffee Griddlecakes Cinnamon Rolls Sandwich French Toast Croissants Bacon and Eggs Fruit Smoothie
Pancakes, Coffee, Griddlecakes, Cinnamon Rolls, Sandwich, French Toast, Croissants, Bacon and Eggs, Fruit Smoothie
Required options
These options will be used automatically if you select this example.
Split list items by a symbol.
Enter split character or regexp.
Glue items with this symbol. (By default, the space symbol.)
Remove whitespaces on the left-side of items.
Remove whitespaces on the right-side of items.
Remove empty items.
Join a Binary Number
In this example, someone carelessly inserted various separators in a list of bits and made a huge mess. To clean up the input data and remove all unnecessary delimiters and restore the original binary number, we use the list-join operation on the bits. We select the split-by-the-regexp mode and enter the regular expression /[.,:;]/ in the delimiter option. This regexp uses the four characters – dot, comma, colon, and semicolon – to split the list into bits. The join-symbol option is left empty so that the bits are glue back to back and produced a binary number.
1.1,1:1;0.1,0:0;0.0,1:0;0.1,0:0;0.0,0:0
11110100001001000000
Required options
These options will be used automatically if you select this example.
Split list items by a regexp.
Enter split character or regexp.
Glue items with this symbol. (By default, the space symbol.)
Remove whitespaces on the left-side of items.
Remove whitespaces on the right-side of items.
Remove empty items.
Cat Facts
In this example, we simultaneously join list elements together and also clear extra whitespaces that appear before and after them. We set the item separator to be equal to the tilde character and the merge character to the underscore. We also activate the left-trim and right-trim options, as well as the option to remove empty items.
Cats ~ can ~ jump ~ ~ up ~ ~ to ~ 7 ~ times ~ their ~ ~ tail ~ length.
Cats_can_jump_up_to_7_times_their_tail_length.
Required options
These options will be used automatically if you select this example.
Split list items by a symbol.
Enter split character or regexp.
Glue items with this symbol. (By default, the space symbol.)
Remove whitespaces on the left-side of items.
Remove whitespaces on the right-side of items.
Remove empty items.
Pro tips Master online list tools
You can pass input to this tool via ?input query argument and it will automatically compute output. Here's how to type it in your browser's address bar. Click to try!
https://onlinelisttools.com/join-list-items?input=Pancakes%0ACoffee%0AGriddlecakes%0ACinnamon%20Rolls%0ASandwich%0AFrench%20Toast%0ACroissants%0ABacon%20and%20Eggs%0AFruit%20Smoothie&string-separator=true&input-separator=%5Cn&join-character=%2C%20&left-trim=false&right-trim=false&remove-empty=false
All list tools
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Quickly print all distinct items of a list.
Quickly print all repeating items of a list.
Quickly count the number of items in a list.
Quickly display list items in multiple colors.
Quickly generate a list of arbitrary length with arbitrary items.
Quickly generate a random length list with random items.
Quickly find certain items in a list.
Quickly replace certain items in a list with new items.
Quickly remove items from a list that match a pattern.
Quickly print all list items in reverse order.
Quickly sort list items alphabetically or numerically.
Quickly shuffle list items and make it random.
Quickly randomly pick one or more items from a list.
Quickly create a downloadable image from a list.
Quickly set a new delimiter for items in a list.
Quickly remove the symbol that separates list items.
Quickly change list item delimiters to the same symbol.
Quickly remove items from the beginning or end of a list.
Quickly join all items of a list together.
Quickly create groups of multiple list items.
Quickly extract a part of a list.
Quickly remove all empty items from a list.
Quickly remove whitespace characters around list items.
Quickly create multiple copies of a list.
Quickly rotate list items to the left or right (or up and down).
Quickly enumerate list items and add a counter to them.
Quickly add bullet markers to all items in a list.
Quickly remove all bullet markers from list items.
Quickly wrap all list items in quotes.
Quickly remove all quotation marks from around list items.
Quickly add text on the left and right sides of all list items.
Quickly remove text from the left and right sides of all list items.
Quickly prepend a prefix before each list item.
Quickly delete any prefix from the beginning of all list items.
Quickly append a suffix after each list item.
Quickly delete any suffix from the end of all list items.
Quickly add or remove list items to make it a certain length.
Quickly create multiple columns from a single list.
Quickly create a palindromic list from the given list.
Quickly add new items at the beginning or end of a list.
Quickly left-pad a list with one or more items.
Quickly right-pad a list with one or more items.
Quickly remove items that repeat in a list.
Quickly apply a filter on all list items (extract certain items).
Quickly analyze a list and print its item statistics.
Coming soon These list tools are on the way
Edit a List
View and edit lists in a neat browser-based list editor.
Split a List
Split list items into chunks.
Generate the Powerlist
Create the powerlist of the given list.
Find the Car of a List
Extract the first item from a list.
Find the Cdr of a List
Extract all items except the first of a list.
Apply a Function on a List
Run a JavaScript function on every list item.
Find Certain List Items
Quickly find and print items that interest you in a list.
Find Repeating List Items
Quickly find and print items that repeat in a list.
Delete Unique List Items
Quickly find and remove items that are unique in a list.
Extract a Sublist from a List
Given start and stop indexes, extract a sublist from a list.
Shift List Items
Shift list items to the left or right (or up and down).
Indent List Items
Add indentation to all list items.
Mirror a List
Quickly create a mirror copy of a list.
Invert a List
Invert the order of items in a list (last becomes first, etc).
Reduce a List
Run the reduce function on a list.
Convert a List to Rows
Create multiple rows from a single list.
Convert a List to Excel
Create an Excel file from a list.
Convert a List to PDF
Create a PDF file from a list.
Convert a Text List to a LaTeX List
Create a LaTeX list from a regular text list.
Convert a Text List to a HTML List
Create a HTML list from a regular text list.
Convert a Text List to a Markdown List
Create a Markdown list from a regular text list.
Compare Two Lists
Find the difference between two lists.
Compare Three Lists
Find the difference between three lists.
Remove One List from Another
Remove elements from a list that appear in the other list.
Zip Two Lists
Join two lists together item by item.
Merge Two Lists
Append a second list at the end of the first list.
Pair List Items
Create pairs from all list items.
Pop List Items
Remove list items at certain index positions.
Push List Items
Add new items at the end of a list.
Splice a List
Modify a list in-place by adding, replacing, or removing items.
Flatten a List
Remove all indentation levels from a list and make it flat.
Make List Items Title Case
Quickly change the letter case of all items to title case.
Make List Items Proper Case
Quickly change the letter case of all items to proper case.
Make List Items Random Case
Quickly randomly change the letter case of all items.
Make List Items Lowercase
Quickly change the letter case of all items to small letters.
Make List Items Uppercase
Quickly change the letter case of all items to capital letters.
Remove List Item Counter
Quickly remove any numeration from a list of items.
Create the Empty List
Generate a list with no items.
Visualize a List
Quickly create a graphical representation of a list.
Create a List Cloud
Create an image with a cloud of list items.
Create a Spiral List
Create an image with list items going in a spiral.
Base64-encode a List
Convert any list to base64 encoding.
Base64-decode a List
Convert any list from base64 encoding back to a list.
Let Zalgo Destroy a List
Let Zalgo loose on a list and create list-chaos.