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"
"
gm

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 = "(\\+91[\\s-]\\d{5}[\\s-]\\d{5})|(011[\\s-]\\d{8})|(\\+91\\d{2}[\\s-]\\d{8})|(^0\\d{10})|(^[6-9]\\d{9})|(91[\\s-]\\d{3,5}[\\s-]\\d{2,5}[\\s-]\\d{4})|(91[\\s-]\\d{5}[\\s-]\\d{5})|(91[\\s-]\\d{10})|(\\d{4}[\\s-]\\d{4}[\\s-]\\d{3})"; final String string = "r1: (\\+91[\\s-]\\d{5}[\\s-]\\d{5})|(011[\\s-]\\d{8})|(\\+91\\d{2}[\\s-]\\d{8})|(^0\\d{10})|(^[6-9]\\d{9})|(91[\\s-]\\d{3,5}[\\s-]\\d{3,5}[\\s-]\\d{4})|(91[\\s-]\\d{5}[\\s-]\\d{5})|(91[\\s-]\\d{10})\n" + "+91-98600 27066 / \n" + "+91-73871 11066\n" + "011-29534999, 011-29532555, 011 47527999\n" + "+9133 24798066,\n" + "+9133 24483458/3459\n" + "08048620522\n" + "8046041848\n" + "91 124 392 3000\n" + "91-80884 00951\n" + "91-9821328595\n" + "91 9822015432\n" + "+91 033 2461 8212 \n" + "+91 033 2461 8213\n\n\n" + "645+91-98600 270664684 / \n" + "6546+91-73871 11066656\n" + "011-29534999, 011-29532555, 011 47527999\n" + "+9133 24798066656,\n" + "+9133 24483458/3459\n" + "8048620522656\n" + "8046041848656\n" + "91 124 392 3000656\n" + "91-80884 00951656\n" + "91-9821328595656656\n" + "91 9822015432656\n" + "656+91 033 2461 8212 \n" + "+91 033 2461 8213656\n"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); 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