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
Processing...

Test String

Code Generator

Generated Code

import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(.*)(?<=,)((.\\n|.)*)(\\D\\d{6}\\D)"; final String string = "Rotex Group\n" + "Manufacturing Units\n" + "Rotex Automation Limited (Unit 1)\n" + "987/11, GIDC Estate\n" + "Makarpura,sfg\n" + "Vadodara-390010.\n\n" + "987/11, GIDC Estate\n" + "Makarpura,sfg\n" + "manipoor, gujratpunjab,\n" + "Vadodara-390010.\n" + "Gujarat, India.\n" + "Ph :\n\n" + "asf aSD ASFAdf aSD ASd asd asd aSDAdasd \n" + "1606-1609, 16th Floor, Rupa Solitaire, Plot No\n" + "A-1, Sector 1, Millennium Business Park, Mahape, Navi Mumbai - 400710\n\n" + "szdgfads\n" + "#257, GK complex, Amarjyothi, BHCS layout, \n" + "Inner Ring Road,Domlur 548998\n\n" + "gh,xfzgdxfzg,\n" + "Bangalore-560071.\n\n" + "asdgasdg asdg\n" + "adgzs \n" + "2-5, First Flr., Samarpan Complex, S.P.Ring Rd Ambli-Bopal Crossing,\n" + "Ahmedabad -380058\n\n" + "This is a simple expression to check a US street address entered on either one or two lines. Being short it does not check that the road qualifer is &quot;valid&quot; (eg. drive, avenue, etc), but it does allow for the extended zip code. A word of warning, the multiline mode can be picky about ending the first line with extra space.\n" + "asdf \n" + "210/211, Richmond Towers, 12, Richmond Road, Bangalore, Karnataka - 560025\n\n" + "sadfasf\n" + "Your E-Mail : \n" + "Brief Message \n" + " Submit Clear\n" + "KHETAN MARBLE\n\n" + "Jyoti,Minerals Pvt, Ltd 456345\n\n" + "Green Marble House Pvt. Ltd.\n" + "Administrative Office:\n" + "8-D, New Fatehpura,\n" + "Rajasthan, India 456456\n" + "Tel.: +91-294-2560062, 2560443\n\n\n\n" + "Fax: +91-294-2560677\n\n" + "Corporate Office:\n" + "509-A, International Trade Tower,Nehru Place,\n" + "New Delhi-111019, India\n" + "Tel.: +91-11-26216877, 26434303\n" + "Fax: +91-11-26448005\n" + "Email: info@khetanmarbles.com\n" + "Website : www.khetanmarbles.com\n"; final Pattern pattern = Pattern.compile(regex); final Matcher matcher = pattern.matcher(string); while (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