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

/
/
gm

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 = "^(0|62|\\+62)(8[1-35-9]\\d{7,10}|2[124]\\d{7,8}|619\\d{8}|2(?:1(?:14|500)|2\\d{3})\\d{3}|61\\d{5,8}|(?:2(?:[35][1-4]|6[0-8]|7[1-6]|8\\d|9[1-8])|3(?:1|[25][1-8]|3[1-68]|4[1-3]|6[1-3568]|7[0-469]|8\\d)|4(?:0[1-589]|1[01347-9]|2[0-36-8]|3[0-24-68]|43|5[1-378]|6[1-5]|7[134]|8[1245])|5(?:1[1-35-9]|2[25-8]|3[124-9]|4[1-3589]|5[1-46]|6[1-8])|6(?:[25]\\d|3[1-69]|4[1-6])|7(?:02|[125][1-9]|[36]\\d|4[1-8]|7[0-36-9])|9(?:0[12]|1[013-8]|2[0-479]|5[125-8]|6[23679]|7[159]|8[01346]))\\d{5,8})"; final String string = "087887877387\n" + "027409456804\n" + "+628985986598"; 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