Our Network


Coming Soon


Coming Later

String from Regex Generator

World's Simplest String Tool

Free online string from regex generator. Just load your regex and it will automatically generate strings that match it. There are no intrusive ads, popups or nonsense, just a string from regex generator. Load a regular expression, get a string. Created for developers by developers from team Browserling.

String from Regex Generator

World's Simplest String Tool

Free online string from regex generator. Just load your regex and it will automatically generate strings that match it. There are no intrusive ads, popups or nonsense, just a string from regex generator. Load a regular expression, get a string. Created for developers by developers from team Browserling.

Tool Options

Regular Expression

Enter your regular expression here

Generator

How many strings to generate?
Tool Options

Printf Format

Printf format to apply on input strings.
Tool Options

Left-Pad Options

Length of the string after left-padding.
Symbol to use for left-padding (space by default).

Multi-line Strings

If checked, left-pads each line separately.

What Is a String from Regex Generator?

This tool generates a bunch of strings for the given regular expression. It's basically a reverse regular expression operation. Magic!

What Is a String from Regex Generator?

This tool generates a bunch of strings for the given regular expression. It's basically a reverse regular expression operation. Magic!


String from Regex Generator Examples

Click to try!
click me

Generate Timestamps

This regex generates AM/PM timestamps. The regexp in the first parenthesis generates the first digit of the hour, which can be from 00 to 12. The second parenthesis generates minutes and seconds, which can be from 00 to 59. The third parenthesis generates the AM or PM symbol.

11:56:22 AM 01:42:07 AM 10:48:04 PM 10:17:44 AM 07:04:45 AM 05:26:20 PM 10:43:58 AM 05:01:49 AM 01:51:53 PM 10:27:36 PM
Required options
These options will be used automatically if you select this example.
Enter your regular expression here
click me

Generate a Pronounceable English Word

This regular expression generates pronouncable English-looking words by making sure consonants follow vowels.

qes ejgo emj ypa ynhe ata uhiji zyxe save ydwat
Required options
These options will be used automatically if you select this example.
Enter your regular expression here
click me

Generate Price Tags

This regexp generates US dollar price tags. It starts with the dollar symbol, followed by one to three digits, followed by up to nine digits more, followed by two optional cent digits.

$14,226,762,083 $796 $778.30 $988.34 $841 $93.59 $8,345.23 $5.37 $98 $8.09
Required options
These options will be used automatically if you select this example.
Enter your regular expression here
click me

Generate SHA1 Hashes

This regular expression generates random SHA1 cryptographic hashes that match 40 character long hex strings. The alphabet used in SHA1 is the same as in SHA2 and MD5, which is letters a to f and digits 0 to 9.

b5f91a7b7fe3a81c4be6c55378b1da819f38667f 5eb66410163feeec36bc4b469cb872779016de7f 8217ef332406070defd85ba41c5d12e0944b49b8 653e02ac4eec01c98d7e6937a47ba1c1db12cab0 660d33c0febcf69bf4d20182f594cedf5d5841ed e19d9a59e75598f253f588f0de308e5cf6fc92ad 0f0e69dd9ba0fad1db66418279c74e3283d6464e 933429cdd4e4930ea1325d2e20be04cb8aa211e2 11a71265404c4bd4c0202dbd5ac8aa61af0bf5e6 3582d4c15906ad2c261aa9e66de2f6f925de519d
Required options
These options will be used automatically if you select this example.
Enter your regular expression here
click me

Generate Random Gibberish

This regex generates random 40-character long garbage as it matches absolutely any and all strings of length of 40. This is achieved by entering ".{40}" as the regex, which is the same as "." repeated 40 times.

GaC1&';"nydi2D+qzXSy>:;t4Y4"MItRx5dzfl}Y 0I4~Y+F V$A!~z^S{S33ms@B}I+';93;}{cPS$?j UViWlD5WvK*y@OE{UrH#:F(u<e'l%4Fz..C^{KHK nTu&y85aK~;9%xM0F+mpr.lJ&({GJD4"ecY'yFVg nYjy]zv\>BS<l<_Dvz5?,l~ @xyz|[J|XVcW6KtT O4=;upS*G<cxaB"o[]e"QHc3-Vb/oKz&CaAm77I; 2S# rAgtg735 elt>D1~{sWUm8$&wMMY6RA8_~Rb &>>oLCt-y&;|DdE15c|TDE@ejE:&,2,KoH'^7InS xV9d5~w5x({Qo$z7LO&L1>ZL9/ >9U_sf=2wh;"" tu>5KWa{Ysj'U_!_|5$/s&d}1t<WuU:l q$xVM#o
Required options
These options will be used automatically if you select this example.
Enter your regular expression here

Pro tips Master online string tools

You can pass options to this tool using their codes as query arguments and it will automatically compute output. To get the code of an option, just hover over its icon. Here's how to type it in your browser's address bar. Click to try!

https://onlinestringtools.com/generate-string-from-regex?regex=%25281%255B0-2%255D%257C0%255B1-9%255D%2529%2528%253A%255B0-5%255D%255Cd%2529%257B2%257D%20%2528A%257CP%2529M

All String Tools

Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!
Quickly URL-escape a string.
Quickly URL-unescape a string.
Quickly convert a string to HTML entities.
Quickly convert HTML entities to a string.
Quickly convert a string to base64 encoding.
Quickly decode a base64-encoded string.
Quickly construct a netstring from a regular string.
Quickly decode a netstring and output its contents.
Quickly quote a string with backslashes.
Quickly un-quote a backslash-quoted string.
Quickly generate a random string.
Quickly generate a string from the given regular expression.
Quickly extract all regular expression matches from a string.
Quickly check if a string matches a regular expression.
Quickly extract a fragment of a string.
Quickly create an image from a string.
Quickly apply printf (or sprintf) on strings.
Quickly split a string into pieces.
Quickly join strings together.
Quickly filter lines that match a pattern in a multi-line string.
Quickly duplicate a string multiple times.
Quickly reverse a string.
Quickly find and replace parts of a string with a new string.
Quickly truncate a string to the given length.
Quickly left-trim and right-trim a string.
Quickly pad a string on the left side.
Quickly pad a string on the right side.
Quickly align a string to the right.
Quickly center a string.
Quickly sort a list of strings in alphabetical, alphanumerical or numerical order.
Quickly rotate a string to the left or to the right.
Quickly convert a string to ROT13.
Quickly convert a string to ROT47.
Quickly transpose a string.
Quickly fetch a part of a string.
Quickly add a prefix to a string.
Quickly add a suffix to a string.
Quickly add a pair of quotes around a string.
Quickly remove quotes around a string.
Quickly convert spaces to newlines in a string.
Quickly convert newlines to spaces in a string.
Quickly convert spaces to tabs in a string.
Quickly convert tabs to spaces in a string.
Quickly remove empty lines from a string.
Quickly remove spaces, tabs, and newlines from a string.
Quickly remove dots, commas, and other marks from a string.
Quickly calculate a string's length.
Quickly calculate the number of newlines in a string.
Quickly convert a string to a sequence of bytes.
Quickly convert a sequence of bytes to a string.
Quickly convert a string to a binary string.
Quickly convert a binary string to a string.
Quickly convert a string to an octal string.
Quickly convert an octal string to a string.
Quickly convert a string to a decimal string.
Quickly convert a decimal string to a string.
Quickly convert a string to a hexadecimal string.
Quickly convert a hexadecimal string to a string.
Quickly convert a string to ASCII codes.
Quickly convert ASCII codes to a string.
Quickly change the case of characters in a string.
Quickly convert a string to uppercase.
Quickly convert a string to lowercase.
Quickly randomize the case of each letter in a string.
Quickly invert string's case.
Quickly extract string data from a JSON data structure.
Quickly convert a string to a JSON string.
Quickly convert a JSON stringified string to a regular string.
Quickly extract all string data from a HTML page.
Quickly extract all string data from an XML document.
Quickly convert a CSV file to evenly aligned columns of space-separated strings.
Quickly convert strings to a proper CSV file.
Quickly extract all string data from a BBCode markup.
Quickly convert a string to Morse code.
Quickly convert Morse code to a string.
Quickly create a palindrome from a string.
Quickly check if a string is a palindrome.
Quickly generate all monograms of a string.
Quickly generate all digrams of a string.

Coming Soon

These string tools are on the way!
View and Edit Strings

Quickly edit a string in a browser-based editor.

Replace Multiple Strings

Replace a set of strings with a new set of strings.

Title-case a String

Convert a string to a title.

Proper-case a String

Convert a string to proper case.

Capitalize Words in a String

Convert the first letter of every word in a string to uppercase.

Justify a String

Stretch out a string and align it along the left and right margins.

Left-align a String

Align a string to the left.

Format a Multi-line String

Format and align a multi-line string.

Number of Letters in a String

Find how many letters there are in a string.

Number of Words in a String

Find how many words there are in a string.

Number of Lines in a String

Find how many lines there are in a multi-line string.

Number of Paragraphs in a String

Find how many paragraphs there are in a multi-line string.

Sort Letters in a String

Sort all letters in a string alphabetically.

Sort Words in a String

Sort all words in a string alphabetically.

Sort a Numeric String

Sort a string that contains only numbers.

Reverse Words in a String

Reverse the order of all words in a string.

Reverse Sentences in a String

Reverse the order of all sentences in a string.

String Frequency Analysis

Find most frequent letters, words and phrases in a string.

Generate a Custom String

Create a string with specific properties.

Create String Mnemonic

Generate a mnemonic for words in a string.

Create an Anagram from a String

Rearrange letters in a string and create a new string.

Number a Multi-line String

Add line numbers to a multi-line string.

Wrap a String

Wrap strings to the given line length.

Chunkify a String

Split a string into chunks of certain length.

Divide a String into Syllables

Find syllables in a string.

Shuffle Words in a String

Shuffle the order of all words in a string.

Extract Emails from a String

Find and extract all email addresses from a string.

Extract URLs from a String

Find and extract all web addresses from a string.

Zigzagify a String

Make a string go in zigzags.

Circlify a String

Make a string go in a circle.

Squarify a String

Make a string go in a square or a rectangle.

Spiralify a String

Make a string go in a spiral.

Blockify a String

Fit a string in an N-by-M block.

Extract Numbers from a String

Find and extract all numbers from a string.

Calculate String Statistics

Analyze a string's complexity, including entropy.

ROT18 a String

Quickly convert a string to ROT18.

Convert a String to Punycode

Encode a string to punycode.

Convert Punycode to a String

Decode a string from punycode.

QP-encode a String

Convert a string to quoted-printable encoding.

QP-decode a String

Convert quoted-printable encoded data to a string.

Base32-encode a String

Encode a string to base32.

Base32-decode a String

Decode a string from base32.

Base45-encode a String

Encode a string to base45.

Base45-decode a String

Decode a string from base45.

Base58-encode a String

Encode a string to base58.

Base58-decode a String

Decode a string from base58.

Base85-encode a String

Encode a string to Ascii85.

Base85-decode a String

Decode a string from Ascii85.

UTF8-encode a String

Encode a string to UTF8.

UTF8-decode a String

Decode a string from UTF8.

UTF16-encode a String

Encode a string to UTF16.

UTF16-decode a String

Decode a string from UTF16.

UTF32-encode a String

Encode a string to UTF32.

UTF32-decode a String

Decode a string from UTF32.

IDN-encode a String

Encode a string to IDN.

IDN-decode a String

Decode a string from IDN encoding.

Uuencode a String

Convert a string to Unix-to-Unix encoding.

Uudecode a String

Convert Unix-to-Unix data to a string.

Xxencode a String

Convert a string to Xxencoding.

Xxdecode a String

Convert an Xxencoded string to a regular string.

HTML-strip a String

Strip all HTML tags from a string.

Remove Accent Characters

Remove all diacritical signs from a string.

Add Accent Characters

Randomly add accent characters to letters in a string.

Delete String Symbols

Remove punctuation marks and other symbols from a string.

Delete String Characters

Remove characters from a string.

Delete String Vowels

Remove vowels from a string.

Delete String Consonants

Remove consonants from a string.

Add Duplicate Spaces

Duplicate spaces in a string so one space becomes two.

Remove Duplicate Spaces

Normalize string spacing and remove all duplicate spaces.

Diff Two Strings

Visualy compare and find differences between two strings.

String Levenshtein Distance

Calculate Levenshtein distance between two strings.

String Hamming Distance

Calculate Hamming distance between two strings.

Find LCS of Two Strings

Find the longest common subsequence of two strings.

Rewrite a String

A tiny string rewriting system.

Reduce String Alphabet

Limit the alphabet letters that are used in a string.

Generate a Zalgo String

Convert a string to Unicode mess.

Make a Zalgo String Readable

Remove Unicode mess from a string.

Generate String Typos

Create a list of all possible string typos.

Mirror a String

Generate a mirror copy of a string.

Generate Trigrams

Generate all 3-grams of a string.

Generate all N-grams

Generate all ngrams of a string.

Generate N-skip-M-grams

Generate n-skip-m-grams of a string.

Tokenize a String

Create a list of tokens from a string.

Lemmatize a String

Lemmatize all words in a string.

Stem a String

Do stemming of all words in a string.

Grep a String

Extract fragments that match a regular expression in a string.

Head a String

Split a string into fragments and extract the beginning parts.

Tail a String

Split a string into fragments and extract the ending parts.

Convert a String to Hyperstring

Create a hyperstring from a string.

Convert Hyperstring to a String

Create a regular string from a hyperstring.

Convert a String to an Array

Create an array of characters from a string.

Convert a String to Integers

Split a string into characters and return their integer values.

Replace Letters with Digits

Put digits in place of characters in a string.

Fix String Quoting

Correct misquoted strings (add/remove missing quotes).

Shift a String

Shift characters in a string to the left or right.

Color a String

Create a colorful string.

Slugify a String

Create a SEO-friendly URL from a string.

Create Mistakes in a String

Substitute random characters in a string and make errors.

Find Mistakes in a String

Run a spell checker and find mistakes in a string.

Mix Two Strings

Interleave two strings character by character.

Repeat String Characters

Duplicate characters in a string multiple times.

Generate LCD String

Draw a string on an LCD screen.

Generate a Short String

Create a string that doesn't have too many characters.

Generate a Long String

Create a string that has many characters.

Create a String of Certain Length

Generate a string with a certain amount of characters.

Generate Twin Strings

Create two strings that have the twin property.

Generate Triplet Strings

Create three strings that have the triplet property.

Create a String Cloud

Generate a word cloud from all words in a string.

Partition a String

Split a string into multiple substrings.


Subscribe!

Subscribe to our updates. We'll let you know when we release new tools, features, and organize online workshops.

Enter your email here


Feedback. We'd love to hear from you! 👋

Created with love by

We're Browserling — a friendly and fun cross-browser testing company powered by alien technology. At Browserling we love to make peoples' lives easier, so we created this collection of online string tools. All our tools share the same user interface so as soon as you learn how to use one of the tools, you'll instantly know how to use all of them. Our online string tools are actually powered by our web developer tools that we created over the last couple of years. Check them out!

49K
@browserling

Didn't find the tool you were looking for? Let us know what tool we are missing and we'll build it!