Regular Expression Tester
Use this tool to test regular expressions in JavaScript. Matches will be displayed below, groups to the right. Note this tool only displays the first match found.
| Basics |
| . |
Any non-newline char |
| \s |
Any whitespace char |
| \d |
Any digit |
| ^ |
Start of line |
| $ |
End of line |
| \ |
Character Escape |
| More |
| \n |
Newline |
| \t |
Tab |
| [abc] |
Any single char: a, b, or c |
| [^abc] |
Any char except: a, b, or c |
| [a-z] |
Any char a to z |
| [a-zA-Z] |
Any char a to z OR A to Z |
| Quantifiers |
| * |
0 or more |
| + |
1 or more |
| ? |
0 or 1 |
| {2} |
Exactly 2 |
| {3, 6} |
Between 3 and 6 |
| {4,} |
4 or more |
| Groups |
| (...) |
Capturing Group |
| (?:...) |
Non-capturing group |
| (a|b) |
Match a or b |
| (...)? |
Optional match group |
| (\d\d) |
Match any two digits |
| (joe) |
Match word 'joe' |
