- Results update in real-time as you type.
- Roll over a match or expression for details.
- Save & share expressions with others.
- Explore the Library for help & examples.
- Undo & Redo with {{getCtrlKey()}}-Z / Y.
- Search for & rate Community patterns.
Regular Expression
- flags
Test String
Substitution
sri lanka new NIC with Old Nic regex
this is combination with old nic and new nic.Comments
Top Regular Expressions
Url checker with or without http:// or https://
Match string not containing string
Check if a string only contains numbers
Only letters and numbers
Match elements of a url
date format (yyyy-mm-dd)
Url Validation Regex | Regular Expression - Taha
Match an email address
Validate an ip address
nginx test
Extract String Between Two STRINGS
special characters check
match whole word
Match anything enclosed by square brackets.
Match or Validate phone number
Match html tag
Find Substring within a string that begins and ends with paranthesis
Simple date dd/mm/yyyy
Blocking site with unblocked games
Match dates (M/D/YY, M/D/YYY, MM/DD/YY, MM/DD/YYYY)
Match string not containing string
Check if a string only contains numbers
Only letters and numbers
Match elements of a url
date format (yyyy-mm-dd)
Url Validation Regex | Regular Expression - Taha
Match an email address
Validate an ip address
nginx test
Extract String Between Two STRINGS
special characters check
match whole word
Match anything enclosed by square brackets.
Match or Validate phone number
Match html tag
Find Substring within a string that begins and ends with paranthesis
Simple date dd/mm/yyyy
Blocking site with unblocked games
Match dates (M/D/YY, M/D/YYY, MM/DD/YY, MM/DD/YYYY)
Cheat Sheet
| Character classes | |
|---|---|
| . | any character except newline |
| \w \d \s | word, digit, whitespace |
| \W \D \S | not word, digit, whitespace |
| [abc] | any of a, b, or c |
| [^abc] | not a, b, or c |
| [a-g] | character between a & g |
| Anchors | |
| ^abc$ | start / end of the string |
| \b | word boundary |
| Escaped characters | |
| \. \* \\ | escaped special characters |
| \t \n \r | tab, linefeed, carriage return |
| \u00A9 | unicode escaped © |
| Groups & Lookaround | |
| (abc) | capture group |
| \1 | backreference to group #1 |
| (?:abc) | non-capturing group |
| (?=abc) | positive lookahead |
| (?!abc) | negative lookahead |
| Quantifiers & Alternation | |
| a* a+ a? | 0 or more, 1 or more, 0 or 1 |
| a{5} a{2,} | exactly five, two or more |
| a{1,3} | between one & three |
| a+? a{2,}? | match as few as possible |
| ab|cd | match ab or cd |
Regex Tester
Regex Tester isn't optimized for mobile devices yet. You can still take a look, but it might be a bit quirky.
> Okay!
Regex Tester
Regex Tester requires a modern browser. Please update your browser to the latest version and try again.
Join
Join to access discussion forums and premium features of the site.
Please Share!
Thank you for using my tool. If you could share this tool with your friends, that would be a huge help:
Tweet
Tweet
Or follow us to learn about our latest tools:
Follow @danstools00