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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

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 = "^(((C|c)h(a|ă|ẵ|ẳ)n)|((L|l)(e|ẻ)))[\\s\\[]*(\\d+\\s?-?\\s?\\d*)[\\s\\]]*([\\w\\s]*)$"; final String string = "Chẵn 0-100 Bạch Đằng\n\n" + "Chẵn [0] 2-204 Trần Thanh Mại\n" + "Chẳn [0] 460-530 Kinh Dương Vương\n" + "Chẳn [0] 460-532 Kinh Dương Vương\n\n" + "Chẳn [100-262] Quốc lộ 13\n" + "Chẵn 0 - 364 Phố Huế\n" + "Chẵn 0 - 44 Tây Tựu\n" + "Chẵn 0-100 Bạch Đằng\n" + "Chẵn 0-100 Ngõ 124 Âu Cơ\n" + "Chẵn 0-110 Đường Vành Đai\n" + "Chẵn 0-110 Trâu Quỳ\n" + "Chẵn 0-112 Đường Ô Chợ Dừa\n" + "Chẵn 0-116 Đường số 8\n" + "Chẵn 0-118 Bình Trị Đông\n" + "Chẵn 0-128 Nguyễn Sơn\n\n" + "Lẻ 1-13 đường Thạnh Lộc 29\n" + "Lẻ 1-131 Đường số 4\n" + "Lẻ 1-131 Hoàng Hoa Thám\n" + "Lẻ 1-131 Kênh Mười Chín Tháng Năm\n" + "Lẻ 1-131 Nguyễn Phúc Chu\n" + "Lẻ 1-131 Trần Quang Cơ\n" + "Lẻ 1-131 Trần Văn Kỷ\n" + "Lẻ 1-133 Ấp Chiến Lược\n" + "Lẻ 1-133 Bạch Đằng\n" + "Lẻ 1-133 Khánh Hội\n" + "Lẻ 1-133 Nguyễn Thiện Thuật\n" + "Lẻ 1-134 Trần Hưng Đạo\n" + "Lẻ 1-135 Đặng Chất\n" + "Lẻ 1-135 Hoàng Hoa Thám\n" + "Lẻ 1-135 Lý Phục Man\n" + "Lẻ 1-135 Nguyễn Phong Sắc, Cầu Giấy, Hà Nội\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