RegexUtils class
A collection of commonly used regular expressions, provided as constants.
Each RegExp is documented with its matching behavior, valid/invalid examples, and typical use cases for validation and pattern matching.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Properties
- alphabetic → RegExp
-
Matches alphabetic strings (only uppercase/lowercase letters).
final
- alphanumeric → RegExp
-
Matches alphanumeric strings (letters and digits only).
final
- ascii → RegExp
-
Matches pure ASCII strings.
final
- base64 → RegExp
-
Matches base64-encoded strings.
final
- creditCard → RegExp
-
Matches credit card numbers from major providers.
final
- email → RegExp
-
Matches valid email addresses according to RFC 5322 specifications.
final
- emoji → RegExp
-
Matches one or more emoji characters.
final
- float → RegExp
-
Matches floating-point numbers, including scientific notation.
final
- fullWidth → RegExp
-
Matches full-width characters (used in Japanese, Chinese, Korean).
final
- halfWidth → RegExp
-
Matches half-width characters (standard Latin characters).
final
- hexadecimal → RegExp
-
Matches hexadecimal numbers (0-9 and A-F case-insensitive).
final
- hexColor → RegExp
-
Matches hex color codes:
#abc,#abcdef, orabc,abcdef.final - integer → RegExp
-
Matches integer numbers including negative values.
final
- ipv4 → RegExp
-
Matches IPv4 addresses in dot-decimal notation.
final
- ipv6 → RegExp
-
Matches IPv6 addresses in standard compressed or full form.
final
- isbn10 → RegExp
-
Matches a possible ISBN-10 format.
final
- isbn13 → RegExp
-
Matches a possible ISBN-13 format.
final
- multibyte → RegExp
-
Matches any multibyte characters (non-ASCII).
final
- numeric → RegExp
-
Matches numeric integers including negative values.
final
- singleEmoji → RegExp
-
Matches exactly one emoji character.
final
- surrogatePairs → RegExp
-
Matches surrogate pairs (used in Unicode).
final
- targetedEmoji → RegExp
-
Emoji regex tuned to match emoji codepoint ranges (including Misc Technical U+2300–U+23FF)
while deliberately avoiding box-drawing (U+2500–U+257F) and many other non-emoji ranges.
The 'unicode: true' option is important.
final
-
uuid
→ Map<
String, RegExp> -
Matches UUIDs by version.
final