| Regex | Explanation |
|---|---|
. | 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 |
^abc$ | start / end of the string |
\b\B | word, not-word boundary |
\[\*\] | escaped special characters |
\t\n\r | tab, linefeed, carriage return |
(abc) | capture group |
\1 | backreference to group #1 |
(?:abc) | non-capturing group |
(?=abc) | positive lookahead |
(?!abc) | negative lookahead |
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 |
0 comments
No comments yet. Be the first to share your thoughts!
Loading SEO content...