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Extract Regex Matches

Extract regular expression matches from text.
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Online Regex Extractor

How to extract text matches using regular expression?

  1. Enter text in Input text area.
  2. Enter the regular expression in Regular Expression input.
  3. Choose a separator. (Default is space)
  4. Click on Show Output to get the exctracted matches.

Uses

  • re extract
  • regex find/match

Common Regular Expression/Regex Patterns

  • Whole Numbers – /^\d+$/
  • Decimal Numbers – /^\d*\.\d+$/
  • Whole + Decimal Numbers – /^\d*(\.\d+)?$/
  • Negative, Positive Whole + Decimal Numbers – /^-?\d*(\.\d+)?$/
  • Whole + Decimal + Fractions – /[-]?[0-9]+[,.]?[0-9]*([\/][0-9]+[,.]?[0-9]*)*/
  • Alphanumeric without space – /^[a-zA-Z0-9]*$/
  • Alphanumeric with space – /^[a-zA-Z0-9 ]*$/
  • Common email Ids – /^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6})*$/
  • Alphanumeric string that may include _ and – having a length of 3 to 16 characters – /^[a-z0-9_-]{3,16}$/
  • Include http(s) Protocol /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#()?&//=]*)/
  • Protocol Optional /(https?:\/\/)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/
  • Match IPv4 address /^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/
  • Match IPv6 address /(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))/
  • Match both IPv4, IPv6 addresses /((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$))/
  • Date Format YYYY-MM-dd /([12]\d{3}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01]))/
  • Date Format dd-mmm-YYYY or dd/mmm/YYYY or dd.mmm.YYYY /^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]|(?:Jan|Mar|May|Jul|Aug|Oct|Dec)))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2]|(?:Jan|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec))\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)(?:0?2|(?:Feb))\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9]|(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep))|(?:1[0-2]|(?:Oct|Nov|Dec)))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$/
  • Time Format HH:MM 12-hour, optional leading 0, Meridiems (AM/PM) /((1[0-2]|0?[1-9]):([0-5][0-9]) ?([AaPp][Mm]))/
  • Time Format HH:MM 24-hour, optional leading 0 /^([0-9]|0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$/
  • Time Format HH:MM:SS 24-hour /(?:[01]\d|2[0123]):(?:[012345]\d):(?:[012345]\d)/
  • HTML Elements with Attributes /<\/?[\w\s]*>|<.+[\W]>/
  • Search Duplicates /(\b\w+\b)(?=.*\b\1\b)/
  • International Phone Numbers /^(?:(?:\(?(?:00|\+)([1-4]\d\d|[1-9]\d?)\)?)?[\-\.\ \\\/]?)?((?:\(?\d{1,}\)?[\-\.\ \\\/]?){0,})(?:[\-\.\ \\\/]?(?:#|ext\.?|extension|x)[\-\.\ \\\/]?(\d+))?$/
  • File Path with Filename and extension /((\/|\\|\/\/|https?:\\\\|https?:\/\/)[a-z0-9 _@\-^!#$%&+={}.\/\\\[\]]+)+\.[a-z]+$/
  • Social Security Number /^((?!219-09-9999|078-05-1120)(?!666|000|9\d{2})\d{3}-(?!00)\d{2}-(?!0{4})\d{4})|((?!219 09 9999|078 05 1120)(?!666|000|9\d{2})\d{3} (?!00)\d{2} (?!0{4})\d{4})|((?!219099999|078051120)(?!666|000|9\d{2})\d{3}(?!00)\d{2}(?!0{4})\d{4})$/
  • Passport – /^[A-PR-WY][1-9]\d\s?\d{4}[1-9]$/
  • City, State abbreviation - /.*, [A-Z][A-Z]/
  • Credit Card - /(^4[0-9]{12}(?:[0-9]{3})?$)|(^(?:5[1-5][0-9]{2}|222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}$)|(3[47][0-9]{13})|(^3(?:0[0-5]|[68][0-9])[0-9]{11}$)|(^6(?:011|5[0-9]{2})[0-9]{12}$)|(^(?:2131|1800|35\d{3})\d{11}$)/
  • Emoji - /(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])/
  • Latitude & Longitude - /^((\-?|\+?)?\d+(\.\d+)?),\s*((\-?|\+?)?\d+(\.\d+)?)$/
  • MAC Address - /^[a-fA-F0-9]{2}(:[a-fA-F0-9]{2}){5}$/
  • Bitcoin Address - /^(bc1|[13])[a-zA-HJ-NP-Z0-9]{25,39}$/
  • Indian PAN from GSTIN - /^([0][1-9]|[1-2][0-9]|[3][0-5])([a-zA-Z]{5}[0-9]{4}[a-zA-Z]{1})([1-9a-zA-Z]{1}[zZ]{1}[0-9a-zA-Z]{1})+$/
  • Digital Object identifier - /^(10\.\d{4,5}\/[\S]+[^;,.\s])$/
  • Hashtags - /^#[^ !@#$%^&*(),.?":{}|<>]*$
  • Telehphone Numbers - /+?\d{1,4}?[-.\s]?\(?\d{1,3}?\)?[-.\s]?\d{1,4}[-.\s]?\d{1,4}[-.\s]?\d{1,9}
  • e.164 phone number - /^\+[1-9]\d{1,14}$/
  • Arabic characters - /[\u0600-\u06ff]|[\u0750-\u077f]|[\ufb50-\ufbc1]|[\ufbd3-\ufd3f]|[\ufd50-\ufd8f]|[\ufd92-\ufdc7]|[\ufe70-\ufefc]|[\uFDF0-\uFDFD]/

For Pin/Zip codes

  • US - ^\d{5}([\-]?\d{4})?$
  • UK - ^(GIR|[A-Z]\d[A-Z\d]??|[A-Z]{2}\d[A-Z\d]??)[ ]??(\d[A-Z]{2})$
  • DE - \b((?:0[1-46-9]\d{3})|(?:[1-357-9]\d{4})|(?:[4][0-24-9]\d{3})|(?:[6][013-9]\d{3}))\b
  • CA - ^([ABCEGHJKLMNPRSTVXY]\d[ABCEGHJKLMNPRSTVWXYZ])\ {0,1}(\d[ABCEGHJKLMNPRSTVWXYZ]\d)$
  • FR - ^(F-)?((2[A|B])|[0-9]{2})[0-9]{3}$
  • IT - ^(V-|I-)?[0-9]{5}$
  • AU - ^(0[289][0-9]{2})|([1345689][0-9]{3})|(2[0-8][0-9]{2})|(290[0-9])|(291[0-4])|(7[0-4][0-9]{2})|(7[8-9][0-9]{2})$
  • NL - ^[1-9][0-9]{3}\s?([a-zA-Z]{2})?$
  • ES - ^([1-9]{2}|[0-9][1-9]|[1-9][0-9])[0-9]{3}$
  • DK - ^([D|d][K|k]( |-))?[1-9]{1}[0-9]{3}$
  • SE - ^(s-|S-){0,1}[0-9]{3}\s?[0-9]{2}$
  • BE - ^[1-9]{1}[0-9]{3}$
  • IN - ^\d{6}$

Regular Expression Cheatsheet

Expression Usage
\n Newline
\r Carriage Return
\t Tab
\0 Null Character
[abc] a single character in brackets
[^abc] a single character not in brackets
[a-zA-Z] any characters between a-z or A-Z
. any single character
a|b either character
\s any whitespace character
\S any non-whitespace character
\d any digit
\D any non-digit
\w any word character
\W any non-word character
\X any unicode sequence
\C one data unit
\R unicode newlines
a{3,} 3 or more of a
^ Start of string
$ end of string
\b word boundary
\B non-word boundary

References