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
Processing...

Test String

Code Generator

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#"(?s)var\s+kaynaklar.*?url\s*:\s*"([^"]+)"\s*,\s*data\s*:\s*'([^']+)"#).unwrap(); let string = "var kaynaklar = []; jQuery.ajax({ type:\"POST\", url:\"/service/part\", data:'id=31398', success:function(a){ if(a==\"hata\") { jQuery(\"#player\").html(\"<br><br><font style='color:white;'>Video kaynağı silinmiş lütfen sol üstten Kaynak butonuna tıklayarak farklı bir kaynak deneyin.</font>\") } else { for (var i = 1; i < 6; i++) { if(a[\"videolink\"+i]) { kaynaklar.push({\"file\":a[\"videolink\"+i], \"label\":a[\"videokalite\"+i],\"type\":\"mp4\"}); } } video_loader(); } }, error:function(){ jQuery(\"#player\").html(\"<br><br><font style='color:white;'>Video yüklenirken bir hata oluştu lütfen sayfayı yenileyip tekrar deneyin veya farklı bir kaynak deneyin.</font>\") } })"; // result will be a tuple containing the start and end indices for the first match in the string let result = regex.captures(string); let (start, end) = match result { Some((s, e)) => (s, e), None => { // ... } }; println!("{}", &string[start, 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 Rust, please visit: https://docs.rs/regex/latest/regex/