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

/
/
gu

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 = "\\s+([\\u0900-\\u097F]*)\\s+([०-९]{2}).([०-९]{4})\\s+\\(कौमुदीधातुः-\\s([०-९]{4})\\)[\\s\\S]*(परस्मैपदी|आत्मनेपदी)\\s+(अकर्मकः|सकर्मकः)"; final String string = "\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " इ\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " ०२.००४० \n" + " (कौमुदीधातुः- १०४५)\n" + " इण् \n" + " गतौ\n" + " \n" + " \n" + " (अदादिः \n" + " परस्मैपदी \n" + " \n" + " सकर्मकः \n" + " अनिट् \n" + " \n" + " \n" + " ) \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " कर्तरि\n" + " \n\n" + " \n" + " भावकर्मणोः\n" + " \n\n" + " \n" + " सन्नन्ते\n" + " \n\n" + " \n" + " णिजन्ते\n" + " \n\n" + " \n" + " यङन्ते\n" + " \n\n" + " \n" + " कृदन्ते\n" + " \n\n" + " \n" + " उपसर्गार्थाः\n" + " \n\n" + " \n" + " उपसर्गार्थचन्द्रिका\n" + " \n\n" + " \n" + " प्रयोगाः\n" + " \n\n" + " \n" + " Info\n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n\n\n\n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लट्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " एति\n" + " इतः\n" + " यन्ति\n" + " \n" + " \n" + " \n" + " \n" + " एषि\n" + " इथः\n" + " इथ\n" + " \n" + " \n" + " \n" + " एमि\n" + " इवः\n" + " इमः\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लिट्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " इयाय\n" + " ईयतुः\n" + " ईयुः\n" + " \n" + " \n" + " \n" + " \n" + " इयेथ, इययिथ\n" + " ईयथुः\n" + " ईय\n" + " \n" + " \n" + " \n" + " इयाय, इयय\n" + " ईयिव\n" + " ईयिम\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लुट्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " एता\n" + " एतारौ\n" + " एतारः\n" + " \n" + " \n" + " \n" + " \n" + " एतासि\n" + " एतास्थः\n" + " एतास्थ\n" + " \n" + " \n" + " \n" + " एतास्मि\n" + " एतास्वः\n" + " एतास्मः\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लृट्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " एष्यति\n" + " एष्यतः\n" + " एष्यन्ति\n" + " \n" + " \n" + " \n" + " \n" + " एष्यसि\n" + " एष्यथः\n" + " एष्यथ\n" + " \n" + " \n" + " \n" + " एष्यामि\n" + " एष्यावः\n" + " एष्यामः\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लोट्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " एतु, इतात्\n" + " इताम्\n" + " यन्तु\n" + " \n" + " \n" + " \n" + " \n" + " इहि, इतात्\n" + " इतम्\n" + " इत\n" + " \n" + " \n" + " \n" + " अयानि\n" + " अयाव\n" + " अयाम\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लङ्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " ऐत्\n" + " ऐताम्\n" + " आयन्\n" + " \n" + " \n" + " \n" + " \n" + " ऐः\n" + " ऐतम्\n" + " ऐत\n" + " \n" + " \n" + " \n" + " आयम्\n" + " ऐव\n" + " ऐम\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि विधिलिङ्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " इयात्\n" + " इयाताम्\n" + " इयुः\n" + " \n" + " \n" + " \n" + " \n" + " इयाः\n" + " इयातम्\n" + " इयात\n" + " \n" + " \n" + " \n" + " इयाम्\n" + " इयाव\n" + " इयाम\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि आशीर्लिङ्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " ईयात्\n" + " ईयास्ताम्\n" + " ईयासुः\n" + " \n" + " \n" + " \n" + " \n" + " ईयाः\n" + " ईयास्तम्\n" + " ईयास्त\n" + " \n" + " \n" + " \n" + " ईयासम्\n" + " ईयास्व\n" + " ईयास्म\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लुङ्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " अगात्\n" + " अगाताम्\n" + " अगुः\n" + " \n" + " \n" + " \n" + " \n" + " अगाः\n" + " अगातम्\n" + " अगात\n" + " \n" + " \n" + " \n" + " अगाम्\n" + " अगाव\n" + " अगाम\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " कर्तरि लृङ्लकारः (परस्मैपदम्)\n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " ऐष्यत्\n" + " ऐष्यताम्\n" + " ऐष्यन्\n" + " \n" + " \n" + " \n" + " \n" + " ऐष्यः\n" + " ऐष्यतम्\n" + " ऐष्यत\n" + " \n" + " \n" + " \n" + " ऐष्यम्\n" + " ऐष्याव\n" + " ऐष्याम\n\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n\n" + " \n" + " \n\n\n\n\n\n\n\n" + " \n" + " \n" + " "; final Pattern pattern = Pattern.compile(regex, Pattern.UNICODE_CASE); 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