onlineview.net
onlineview.net
Test and validate your regular expressions in real-time. See matches, captures, and debug your patterns instantly.
Regular expressions are powerful tools for pattern matching and text manipulation. Use this reference guide to build and test your patterns.
[abc] - Match any single character a, b, or c
[^abc] - Match any character except a, b, c
[a-z] - Match any character from a to z
. - Match any single character
\d - Match any digit (0-9)
\w - Match word character (a-z, A-Z, 0-9, _)
\s - Match whitespace character
\b - Word boundary
* - 0 or more occurrences
+ - 1 or more occurrences
? - 0 or 1 occurrence
{n} - Exactly n occurrences
{n,m} - Between n and m occurrences
g - Global (find all matches)
i - Case-insensitive
m - Multiline mode
s - Dotall (. matches newlines)
\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b - Email address^\d{4}-\d{2}-\d{2}$ - Date (YYYY-MM-DD)^(https?|ftp):\/\/[^\s/$.?#].[^\s]*$ - URL^\d{10}$ - Phone number (10 digits)^[A-Z]{2}\d{5}(-\d{4})?$ - ZIP code