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List item deleter

World's simplest list tool

This is a super simple browser-based application that deletes certain items from a list. You can load any list in the input and remove all items that match a specific pattern. The specific pattern can be a short string, a bunch of symbols in any order, or a regexp. You can use multi-format lists (such as comma-delimited lists or todo lists) and adjust to their format using the list item delimiter options. Created by list geeks from team Browserling.
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Input Item Delimiter
A mode that splits the input items by the following characters. (Enter below.)
A mode that splits the input items by a regular expression. (Enter below.)
An input field for a separating character or a regular expression.
Deleting Mode
Delete items that contain the entered text pattern.
Delete items that are made out of one or more of these symbols.
Delete items that are accepted by the entered regular expression.
Output List Delimiter and More
The character that separates the items in the output list.
Skip items that are invisible or have zero length.
Preview Mode
This option will output items that are about to be deleted.
List item deleter tool What is a list item deleter?
This online program removes unwanted items from a list. It offers several different item removal modes. In particular, the first mode allows you to get rid of items that contain a specific text pattern. For example, if you select this mode and enter the pattern "sun", then the program will remove all items that contain the word "sun". The second deletion mode allows you to delete items based on their symbolic composition. For example, you can specify the symbols "abct", which means that the removed items consist of one or more of these symbols. In this case, the items "cat", "bat", "cab", and "catb" will be removed (and all other combinations made out of these four letter, such as "a", "b", "c", "t", "ab", "bt", etc). The third mode removes those items that are accepted by a regular expression. For example, you can remove all numeric items via a regexp "/^\d+$/" or all items that end with a question mark via a regexp "/.+\?$/". To use the program, you also need to indicate the separator character that's used for its items. If it is a single separator or a multi-character separator, use the "Symbol Delimiter" option. For example, if you have a hash-symbol separated list, then enter the "#" character in the text field. The same applies to comma-separated or semicolon-separated lists. If you have a vertical to-do list, then enter the "\n" in this field, which indicates there is one item per line. If your list uses several different characters between the items, use the "Regexp Delimiter" option. For an updated list in the output, you can use any new separator character. Additionally, you can use the "Skip Empty Items" option to delete all items that contain nothing (that either have no length or contain just the spaces). And finally, there's also a neat preview option that lets you output the deleted items to the screen. It's very useful when you need to make sure the right items are getting deleted. Listabulous!
List item deleter examples Click to use
Tourist Attractions in the USA
In this example, we found a list of the most popular American tourist attractions. We're interested in almost all of these, except for the parks. To remove all parks from the list, we split its items by the newline character (as each attraction is listed on a new line), select the substring deletion mode, and enter the substring "Park" in the matching option. As a result, all items with the word "Park" are now removed and we don't have to manually remove them anymore.
Great Smoky Mountains National Park Bryce Canyon National Park Sedona Red Rock Country Walt Disney World Resort Yosemite National Park White House Denali National Park Las Vegas Strip Florida Keys Niagara Falls Golden Gate Bridge Yellowstone National Park Kennedy Space Center Grand Canyon Times Square Glacier National Park
Sedona Red Rock Country Walt Disney World Resort White House Las Vegas Strip Florida Keys Niagara Falls Golden Gate Bridge Kennedy Space Center Grand Canyon Times Square
Required options
These options will be used automatically if you select this example.
A mode that splits the input items by the following characters. (Enter below.)
An input field for a separating character or a regular expression.
Delete items that contain the entered text pattern.
The character that separates the items in the output list.
Skip items that are invisible or have zero length.
This option will output items that are about to be deleted.
Delete Afternoon Clock Times
This example removes the afternoon times (P.M. times) from a clock times list. The list consists of two tab-separated columns. To correctly separate all list items, we use the regular expression delimiting mode with the regex /\t|\n/. We switch to the "Match All Symbols" option and indicate that the items to be deleted must contain only numbers, a colon, a space, and the letters "pm". As a result, we get a cleaned list with just the A.M. times. The resulting list items are separated by a comma.
05:50 pm 06:15 am 01:15 am 01:48 am 10:19 am 01:03 pm 11:36 pm 04:04 pm 00:12 am 02:03 am 10:43 pm 08:31 pm 08:59 pm 07:06 pm 12:02 pm 10:28 pm 08:02 am 02:53 am 05:51 am 06:39 pm
06:15 am, 01:15 am, 01:48 am, 10:19 am, 00:12 am, 02:03 am, 08:02 am, 02:53 am, 05:51 am
Required options
These options will be used automatically if you select this example.
A mode that splits the input items by a regular expression. (Enter below.)
An input field for a separating character or a regular expression.
Delete items that are made out of one or more of these symbols.
The character that separates the items in the output list.
Skip items that are invisible or have zero length.
This option will output items that are about to be deleted.
Delete Items from a Todo List
In this example, we want to remove two specific items from a todo list. We select the delete mode that uses a regular expression and specify the regex /^(cook food|check mail)$/. This regular expression instructs the program to delete only the items "cook food" and item "check mail", and nothing else.
wake up cook food do yoga check email edit images draw design cook food meet friends check mail cook food watch a movie take a shower go to sleep
wake up do yoga check email edit images draw design meet friends watch a movie take a shower go to sleep
Required options
These options will be used automatically if you select this example.
A mode that splits the input items by the following characters. (Enter below.)
An input field for a separating character or a regular expression.
Delete items that are accepted by the entered regular expression.
The character that separates the items in the output list.
Skip items that are invisible or have zero length.
This option will output items that are about to be deleted.
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/delete-list-items?input=Great%20Smoky%20Mountains%20National%20Park%0ABryce%20Canyon%20National%20Park%0ASedona%20Red%20Rock%20Country%0AWalt%20Disney%20World%20Resort%0AYosemite%20National%20Park%0AWhite%20House%0ADenali%20National%20Park%0ALas%20Vegas%20Strip%0AFlorida%20Keys%0ANiagara%20Falls%0AGolden%20Gate%20Bridge%0AYellowstone%20National%20Park%0AKennedy%20Space%20Center%0AGrand%20Canyon%0ATimes%20Square%0AGlacier%20National%20Park&string-separator=true&input-separator=%5Cn&filter-by-string=true&string=Park&join-character=%5Cn&skip-empty=false&preview-deleted=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.