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Word Filter

World's Simplest Text Tool

World's simplest browser-based utility for filtering words in text. Load your text in the input form on the left, set the filtering pattern, and you'll instantly find all words matching the pattern in the output area. Powerful, free, and fast. Load plain text – get filtered words. Created by developers from team Browserling.

Word Filter

World's Simplest Text Tool

World's simplest browser-based utility for filtering words in text. Load your text in the input form on the left, set the filtering pattern, and you'll instantly find all words matching the pattern in the output area. Powerful, free, and fast. Load plain text – get filtered words. Created by developers from team Browserling.

Tool Options

Word Filter

Enter fragments of words or substrings to use for matching.
Enter the symbol set that forms the words you want to extract.
Enter a regular expression that matches the desired words.

Invert Filter

Output all the words that do not match the given filter.

Filtered Word Format

Output filtered words separated by this character.
Output filtered words in lowercase.
Output only the unique filtered word.

What Is a Word Filter?

With this online tool, you can apply a filter on the given text and find all words that match the selected criteria. There are three different word filtering methods. The first filtering method is called "Use a Pattern" and it allows you to extract all words that contain the given substring. For example, to extract all the words that include the substring "cat" (such as "bobcat", "carnival", "caricature", and the word "cat" itself), you can enter this substring in the options and the tool will return a list of all such words found in the input text. You can also use multiple word matching patterns at the same time by specifying each pattern on a new line. The second filtering method is called "Use a Symbol Set". It allows you to extract all words consisting of the given character set. For example, if you want to extract all the words that are made out of the letters "m", "n" and "o", then you can enter "mno" in the character set option, and the tool will return a list of all words in the text that consist only these letters (such as "moon", "noon", "mom", and many others). The third filtering method is called "Use a RegExp". It allows you to extract all words that match the given regular expression. For example, if you want to extract all the words starting with the letter "c" and ending with the letter "t", you can enter the regular expression "/^c.*t$/" as the filter. The tool will test each word against this regular expression, and if it matches, it will print it in the output list. Examples of such words include "car", "chat", "carrot", and many others. Each of these filtering methods can also be inverted, which means that instead of returning words that match the criteria, the utility will instead return words that do not match the criteria. In addition, this utility allows you to get rid of duplicate words in the output. For example, if ten copies of the word "sky" and six copies of the word "star" are found in the text, then by activating the "Remove Duplicates" option, you will get exactly one copy of the words "sky" and "star" in the output. Also for your convenience, you can turn the output words to lowercase and change the separator character that gets placed after each of the filtered words. For example, you can set it to a comma ",", a space " ", or a newline character "\n". Textabulous!

What Is a Word Filter?

With this online tool, you can apply a filter on the given text and find all words that match the selected criteria. There are three different word filtering methods. The first filtering method is called "Use a Pattern" and it allows you to extract all words that contain the given substring. For example, to extract all the words that include the substring "cat" (such as "bobcat", "carnival", "caricature", and the word "cat" itself), you can enter this substring in the options and the tool will return a list of all such words found in the input text. You can also use multiple word matching patterns at the same time by specifying each pattern on a new line. The second filtering method is called "Use a Symbol Set". It allows you to extract all words consisting of the given character set. For example, if you want to extract all the words that are made out of the letters "m", "n" and "o", then you can enter "mno" in the character set option, and the tool will return a list of all words in the text that consist only these letters (such as "moon", "noon", "mom", and many others). The third filtering method is called "Use a RegExp". It allows you to extract all words that match the given regular expression. For example, if you want to extract all the words starting with the letter "c" and ending with the letter "t", you can enter the regular expression "/^c.*t$/" as the filter. The tool will test each word against this regular expression, and if it matches, it will print it in the output list. Examples of such words include "car", "chat", "carrot", and many others. Each of these filtering methods can also be inverted, which means that instead of returning words that match the criteria, the utility will instead return words that do not match the criteria. In addition, this utility allows you to get rid of duplicate words in the output. For example, if ten copies of the word "sky" and six copies of the word "star" are found in the text, then by activating the "Remove Duplicates" option, you will get exactly one copy of the words "sky" and "star" in the output. Also for your convenience, you can turn the output words to lowercase and change the separator character that gets placed after each of the filtered words. For example, you can set it to a comma ",", a space " ", or a newline character "\n". Textabulous!


Word Filter Examples

Click to try!
click me

Find Words by a Pattern

In this example, we find all words in the given text that contain either the lowercase pattern "can" or the capitalized version of the same pattern "Can". Each of the words in the text is matched against the specified patterns and if it's a match, then the word is printed to the output. As a result, we find three such words – "Canyon", "can", and "American" – which get displayed in a vertical column (separated by the symbol "\n", which means a line break).

The Grand Canyon is a natural wonder that can only be found in the American Southwest.
Canyon can American
Required options
These options will be used automatically if you select this example.
Enter fragments of words or substrings to use for matching.
Output all the words that do not match the given filter.
Output filtered words separated by this character.
Output filtered words in lowercase.
Output only the unique filtered word.
click me

Find Words Composed of a Charset

In this example, we extract from the text all words that are composed of the letters "a", "e", "h", "s", and "t". To do this, we enable the "Use a Symbol Set" extraction mode and enter these letters in the option as a single string "aehst". We also activate the "Delete Duplicate Words" option to skip the repeated words in the output, and as a result, we find three words that are made out of these letters.

the sun rises in the east and sets in the west
the, east, sets
Required options
These options will be used automatically if you select this example.
Enter the symbol set that forms the words you want to extract.
Output all the words that do not match the given filter.
Output filtered words separated by this character.
Output filtered words in lowercase.
Output only the unique filtered word.
click me

Invert the Filter

In this example, we use a regular expression to check if there are words with repeated letters in the text. The regex filter selects words such as "Jazz", "classical", and "all". But we also activate the "Invert Filter Matches" option and instead, we get all other words in the output which do not match the repeated letter regex filter.

Jazz, rock, and classical are all popular genres of music.
rock and are popular genres of music
Required options
These options will be used automatically if you select this example.
Enter a regular expression that matches the desired words.
Output all the words that do not match the given filter.
Output filtered words separated by this character.
Output filtered words in lowercase.
Output only the unique filtered word.

Pro tips Master online text 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://onlinetexttools.com/filter-words?input=The%20Grand%20Canyon%20is%20a%20natural%20wonder%20that%20can%20only%20be%20found%20in%20the%20American%20Southwest.&filter-by-string=true&strings=can%250ACan&invert=false&output-separator=false&make-lowercase=false&remove-duplicates=false

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We're Browserling — a friendly and fun cross-browser testing company powered by alien technology. At Browserling we love to make people's lives easier, so we created this collection of online text tools. Our tools are focused on getting things done and as soon as you load your text in the input of any of our tools, you'll instantly get the result. Behind the scenes, our online text tools are actually powered by our web developer tools that we created over the last couple of years. Check them out!

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