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"
"
mg

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|\\d{1}\\s?|\\()(\\d\\)?\\s?[-\\.\\s\\(]??){8,}\\d{1}|\\d{3}[-\\.\\s]??\\d{3}[-\\.\\s]??\\d{4}|\\(\\d{3}\\)\\s*\\d{3}[-\\.\\s]??\\d{4}|\\d{3}[-\\.\\s]??\\d{4})"; final String string = " +61 2 8249 5000\n" + " +61 2 6122 5100\n" + " +61 2-9407 5247\n" + " +65-8233-6124\n" + " +61 412 364 923\n" + " 1300 890 902\n" + " 0435 569 072\n" + " 8801911384785\n" + " 0086-010-58732690\n" + " + 852 2118 3893\n" + " (852) 2513 3168\n" + " (852) 2865-9898\n" + " +91-9552503220\n" + " +914042024714\n" + " +919948298078\n" + " +91 22 25094755\n" + " 0124 4742300\n" + " +1 (972)273 0738\n" + " 08111 90 1859\n" + " +62-21-5201214\n" + " +62 21 2995 1641\n" + " 603-4270 2309\n" + " +603 7724 1199\n" + " +603-77108288\n" + " +632 8937377\n" + " (65) 6723 6888\n" + " +6596233196\n" + " +656379 2681\n" + " +65 6737 0324\n" + " 82-70-7791-7100\n" + " +82 17 238 1226\n" + " 82-31-478-4506\n" + " +822-6309-6366\n" + " (000)000-0000 \n" + " (000)000 0000 \n" + " (000)000.0000\n" + " (000) 000-0000\n" + " (000) 000 0000 \n" + " (000) 000.0000 \n" + " 0000000000\n" + " (000)0000000\n\n" + " (000)000-0000 \n" + " (000)000 0000 \n" + " (000)000.0000\n" + " (000) 000-0000\n" + " (000) 000 0000 \n" + " (000) 000.0000 \n" + " 000-0000 \n" + " 000 0000 \n" + " 000.0000 \n" + " 0000000 \n" + " 0000000000 \n" + " (000)0000000"; 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