Regular Expressions 101

@regex101
Donate
Sponsor
Contact
Bug Reports & Feedback
Wiki
Whats new?

Save & Share

  • Save Regex
    ctrl+s
  • Update Regex
    ctrl+⇧+s

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

Sponsor
Jamstack at Scale
/
\\r\\n[^\*]*adipiscing[^\*]*\\r\\n
/
mg
\\ matches the character \ with index 9210 (5C16 or 1348) literally (case sensitive)
r matches the character r with index 11410 (7216 or 1628) literally (case sensitive)
\\ matches the character \ with index 9210 (5C16 or 1348) literally (case sensitive)
n matches the character n with index 11010 (6E16 or 1568) literally (case sensitive)
Match a single character not present in the list below
[^\*]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\* matches the character * with index 4210 (2A16 or 528) literally (case sensitive)
adipiscing
matches the characters adipiscing literally (case sensitive)
Match a single character not present in the list below
[^\*]
* matches the previous token between zero and unlimited times, as many times as possible, giving back as needed (greedy)
\* matches the character * with index 4210 (2A16 or 528) literally (case sensitive)
\\ matches the character \ with index 9210 (5C16 or 1348) literally (case sensitive)
r matches the character r with index 11410 (7216 or 1628) literally (case sensitive)
\\ matches the character \ with index 9210 (5C16 or 1348) literally (case sensitive)
n matches the character n with index 11010 (6E16 or 1568) literally (case sensitive)
Global pattern flags
m modifier: multi line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)
g modifier: global. All matches (don't return after first match)
Your regular expression does not match the subject string.Try launching the debugger to find out why.

Regular Expression
No Match

/
/
mg

Test String

Code Generator

Language

Generated Code

Loading code sample...
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/

Regular Expressions 101

Please wait while the app is loading...