Regular Expressions 101

Save & Manage Regex

  • Current Version: 1
  • Save & Share
  • Community Library

Flavor

  • PCRE2 (PHP)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java
  • .NET 7.0 (C#)
  • Rust
  • PCRE (Legacy)
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests
Sponsors
An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
Processing...

Test String

Code Generator

Language

Generated Code

// include the latest version of the regex crate in your Cargo.toml extern crate regex; use regex::Regex; fn main() { let regex = Regex::new(r#"(?m)(https\:\\\/\\\/cm\.phncdn\.com\\\/videos\\\/[0-9]+\\\/[0-9]+\\\/[0-9]+\\\/[a-zA-Z0-9]+\_[a-zA-Z0-9]+\_[0-9]+\.mp4\?)+[a-zA-Z0-9=&]+(?=\"\}) "#).unwrap(); let string = "{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":744625385,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2017,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":27465,\"certified\":false,\"privateSeller\":false,\"price\":30614,\"mileage\":21817,\"vin\":\"1FTEW1E82HFC04557\",\"priceBadge\":\"\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":742824859,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2016,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":151506,\"certified\":false,\"privateSeller\":false,\"price\":33587,\"mileage\":21300,\"vin\":\"1FTFW1EG5GFB58894\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":742812409,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2015,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":197067,\"certified\":false,\"privateSeller\":false,\"price\":33733,\"mileage\":35629,\"vin\":\"1FTEW1EF5FFA98486\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":742064728,\"stockType\":\"New\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2018,\"trim\":\"XL\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":8810,\"certified\":false,\"privateSeller\":false,\"price\":34420,\"mileage\":7,\"vin\":\"1FTEW1E59JFD37344\",\"priceBadge\":\"\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":744494469,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2015,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":172815,\"certified\":false,\"privateSeller\":false,\"price\":30998,\"mileage\":49128,\"vin\":\"1FTEW1EG9FFA97172\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":717395539,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2015,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":197467,\"certified\":false,\"privateSeller\":false,\"price\":34999,\"mileage\":25054,\"vin\":\"1FTEW1EG9FFC39584\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":721487247,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2016,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":197467,\"certified\":false,\"privateSeller\":false,\"price\":33999,\"mileage\":20475,\"vin\":\"1FTEW1E88GKF27565\",\"priceBadge\":\"Good Deal | Well-Equipped\"}, {\"https:\\/\\/cm.phncdn.com\\/videos\\/156734\\/08\\/123456789\\/720P_1500K_123456789.mp4?ttl=8769876987698&ri=87676767698&rs=87656758765876&hashhjgk65786tguhgi67t86yg76786tguhg76553445edytrf87798huh67764e45dytrfuytgv\"}Pickup\",\"customerId\":197467,\"certified\":false,\"privateSeller\":false,\"price\":34999,\"mileage\":25054,\"vin\":\"1FTEW1EG9FFC39584\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":721487247,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2016,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":197467,\"certified\":false,\"privateSeller\":false,\"price\":33999,\"mileage\":20475,\"vin\":\"1FTEW1E88GKF27565\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":736138058,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2015,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":197467,\"certified\":false,\"privateSeller\":false,\"price\":32999,\"mileage\":33274,\"vin\":\"1FTEW1E80FFB14904\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":718253529,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2016,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":197467,\"certified\":false,\"privateSeller\":false,\"price\":31999,\"mileage\":29317,\"vin\":\"1FTEW1E83GFC20927\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":713735936,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2015,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab {\"https:\\/\\/cm.phncdn.com\\/videos\\/667185\\/08\\/987654321\\/480P_600K_987654321.mp4?87656758765876&hashhjgk65786tguhgi67t86yg76786tguhg76553445edytrf87798huh67764e45dytrfuytgv\"}{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":742824859,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2016,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":151506,\"certified\":false,\"privateSeller\":false,\"price\":33587,\"mileage\":21300,\"vin\":\"1FTFW1EG5GFB58894\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":742812409,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2015,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":197067,\"certified\":false,\"privateSeller\":false,\"price\":33733,\"mileage\":35629,\"vin\":\"1FTEW1EF5FFA98486\",\"priceBadge\":\"Good Deal | Well-Equipped\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":742064728,\"stockType\":\"New\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2018,\"trim\":\"XL\",\"bodyStyle\":\"Crew Cab Pickup\",\"customerId\":8810,\"certified\":false,\"privateSeller\":false,\"price\":34420,\"mileage\":7,\"vin\":\"1FTEW1E59JFD37344\",\"priceBadge\":\"\"},{\"type\":\"inventory\",\"detail\":\"searchResults\",\"listingId\":744494469,\"stockType\":\"Used\",\"make\":\"Ford\",\"makeId\":20015,\"model\":\"F-150\",\"modelId\":21095,\"year\":2015,\"trim\":\"XLT\",\"bodyStyle\":\"Crew Cab "; // result will be an iterator over tuples containing the start and end indices for each match in the string let result = regex.captures_iter(string); for mat in result { println!("{:?}", mat); } }

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/