Regular Expressions 101

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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
No Match

r'''
'''
gm

Test String

Code Generator

Language

Generated Code

re = /(?:http(?:s)?:\/\/)?(?:(?:www)\.(?:tiktok\.com)(?:\/)(?!foryou)(@[a-zA-z0-9]+)(?:\/)(?:video)(?:\/)([\d]+)|(?:m)\.(?:tiktok\.com)(?:\/)(?!foryou)(?:v)(?:\/)?(?=([\d]+)\.html))/m str = 'https://m.tiktok.com/h5/share/usr/6641141594707361797.html https://www.tiktok.com/embed/6567659045795758085 https://www.tiktok.com/share/user/6567659045795758085 https://www.tiktok.com/trending?shareId=6744531482393545985 https://www.tiktok.com/foryou?is_copy_url=1&is_from_webapp=v1&item_id=7103185591575088411#/@jd77777778/video/7103185591575088411 https://www.tiktok.com/foryou?is_copy_url=1&is_from_webapp=v1&item_id=7103185591575088411 https://www.tiktok.com/foryou?is_copy_url=1&is_from_webapp=v1&item_id=7103185591575088411#/@jd77777778/video/7103185591575088411 https://www.tiktok.com/v/6749869095467945218.html https://www.tiktok.com/v/6749869095467945218 https://m.tiktok.com/v/6749869095467945218 https://m.tiktok.com/@cchelseameow/video/6751181801206729990 https://m.tiktok.com/@jd77777778/video/7103185591575088411?is_from_webapp=1&sender_device=pc https://m.tiktok.com/v/6749869095467945218.html https://www.tiktok.com/@cchelseameow/video/6751181801206729990 https://www.tiktok.com/@jd77777778/video/7103185591575088411?is_from_webapp=1&sender_device=pc' # Print the match result str.scan(re) do |match| puts match.to_s end

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 Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html