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

/
/
gm

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)^\b[A-Z0-9._%+-]+\.?[a-zA-Z]{3}\.?[a-zA-Z]{4}\.?\d{2}\t\t[0-9:]{11}\t(\d{1})\t\b[A-Z0-9._%+-]+\t(\d{2,3})\t(\d{3})\t(\d{1,2})\t([*]?)\t(\w{1})\t\t\d{1}\t[0-9:]{11}\t[0-9:]{11}\t\b[A-Z0-9._%+-]+\.?[a-zA-Z]{3}\t\b[A-Z0-9._%+-]+[0-9]{2}\t.+\t([0-9]{1,2})\t\t([0-9]{3})\t\t.+\t\t\n").unwrap(); let string = "A135C001_130101_R0BF.mov.sync.01 13:22:56:11 2 A135C001_130101_R0BF 59 806 1 A 2 13:18:35:03 00:04:21:08 A135C001_130101_R0BF.mov A135C001_130101_R0BF 25000 0 1800 1068 ARRI A135C001_130101_R0BF.mov "; // 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/