Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

r"
"
xu

Test String

Code Generator

Language

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = " (?: \\A | (?<= [\\s\\xA0\\(\\[\\{]))\n\n" + " (?P<MODEL>\n" + " (?:\n" + " (?:\n" + " [A-ZА-Я]{4,6} (?! [\\s\\xA0] )\n" + " |\n" + " (?! (?: D-Link | D-LINK | Asus | ASUS | USB ) [\\s\\xA0] )\n" + " [A-ZА-Я]{1,4} (?: \\d [A-ZА-Я\\d]{0,4} )?\n" + " |\n" + " \\d{2,5} (?= [\\-/] )\n" + " )\n" + " (?:\n" + " (?! \\s\\d{1,2} - (?: Port | PORT ) )\n" + " [\\s\\xA0\\-/\\.]\n" + " (?:\n" + " \\d{1,4} [A-ZА-Я\\d]{0,4}\n" + " |\n" + " [A-ZА-Я]{1,4} [\\-/]? \\d{1,4} \\w{0,8}\n" + " |\n" + " [A-ZА-Я] \\w{3,6}\n" + " )\n" + " (?: [\\-/] [A-ZА-Я\\d]{1,3} )?\n" + " ){1,4}\n" + " |\n" + " \\d{1,4}\n" + " (?! [\\s\\xA0] USB [\\s\\xA0] )\n" + " [\\s\\xA0]?\n" + " (?! [kкKК]? (?: [WВAА] | В[Тт] | W[Tt] | Ватт | Watts? | Амп | Amp | Ампер | Ampers? ) \\b )\n" + " [A-ZА-Я] [A-ZА-Я\\d]{0,5}\n" + " |\n" + " [A-ZА-Я]{1,4} \\d [A-ZА-Я\\d]{0,10}\n" + " )\n\n" + " (?:\n" + " [\\-/] \\w{1,6} (?: [\\-/] \\d{1,3} )?\n" + " |\n" + " (?: [\\s\\x0A] [A-ZА-Я\\d]{1,5} (?: [\\-/] [A-ZА-Я\\d]{1,5} ){0,2} ){1,3}\n" + " )?\n\n" + " (?: \\+ | [\\s\\xA0] (?: Plus | PLUS | Плюс | ПЛЮС) )?\n\n" + " (?: [\\s\\xA0]? \\( [A-ZА-Я\\d\\-/]{1,18} \\) )?\n" + " )\n\n" + " (?= \\Z | [\\s\\xA0,\\.\\)\\}\\]] | (?<= \\) ) [:;\\-/] )\n"; final String string = "Автомагнитола ALPINE CDE-100EUB Код товара: 1298, Производитель: ALPINE, раздел: Автомагнитолы, модель: ALPINE CDE-100EUB"; final Pattern pattern = Pattern.compile(regex, Pattern.COMMENTS | Pattern.UNICODE_CASE); final Matcher matcher = pattern.matcher(string); if (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html