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 single character of: a, b, c or d
    [[ab][cd]]
  • 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]
  • Character class intersection
    [\w&&[^\d]]
  • 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 = "^Processo\\sNº\\s[a-zA-Z]{5,9}-[0-9]{7}-[0-9]{2}.[0-9]{4}.[0-9]{1}.[0-9]{2}.[0-9]{4}[^a-zA-Z]"; final String string = "Precatórios e RPV\n" + "AVENIDA DE MARQUES SAO VICENTE , 235, 19 andar - Bloco B,\n" + "VARZEA DA BARRA FUNDA, SAO PAULO/SP - CEP: 01139-001\n" + "- secprecatorio@trtsp.jus.br\n" + "Destinatário: PEDRO CARLOS LUCAS\n" + "INTIMAÇÃO - Processo PJe\n" + "Processo: 0148400-36.2009.5.02.0041 - Processo PJe\n" + "Autor: PEDRO CARLOS LUCAS\n" + "Réu: FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO\n" + "Fica V. Sª. intimado(a) dos id’s:\n" + "SAO PAULO/SP, 09 de novembro de 2022.\n" + "SAO PAULO/SP, 09 de novembro de 2022.\n" + "ENIO MARQUES\n" + "Servidor\n" + "Processo Nº ATOrd-0148400-36.2009.5.02.0041\n" + "RECLAMANTE PEDRO CARLOS LUCAS\n" + "ADVOGADO Marcia Regina Covre(OAB:\n" + "108818/SP)\n" + "RECLAMADO FUNDACAO PRO-SANGUE\n" + "HEMOCENTRO DE SAO PAULO\n" + "ADVOGADO MARINA MEGALE(OAB: 221085/SP)\n" + "ADVOGADO CAROLINA KIRALY SANCHEZ(OAB:\n" + "278463/SP)\n" + "ADVOGADO JOSE BARBUTO NETO(OAB:\n" + "207975/SP)\n" + "Intimado(s)/Citado(s): Processo Nº ATOrd-0148400-36.2009.5.02.0042\n" + " - FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO\n" + " PODER JUDICIÁRIO\n" + " JUSTIÇA DO\n" + "PODER JUDICIÁRIO FEDERAL\n" + "Justiça do Trabalho - 2ª Região\n" + "Precatórios e RPV\n" + "AVENIDA DE MARQUES SAO VICENTE , 235, 19 andar - Bloco B,VARZEA DA BARRA FUNDA, SAO PAULO/SP - CEP: 01139-001\n" + "- secprecatorio@trtsp.jus.br\n" + "Destinatário: FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO\n" + "PAULO\n" + "INTIMAÇÃO - Processo PJe\n" + "Processo: 0148400-36.2009.5.02.0041 - Processo PJe\n" + "Autor: PEDRO CARLOS LUCAS\n" + "Réu: FUNDACAO PRO-SANGUE HEMOCENTRO DE SAO PAULO\n" + "Fica V. Sª. intimado(a) dos id’s:778674a\n" + "SAO PAULO/SP, 09 de novembro de 2022.\n" + "SAO PAULO/SP, 09 de novembro de 2022.\n" + "ENIO MARQUES\n" + "Servidor\n" + "Processo Nº ATOrd-0076600-43.2003.5.02.0045\n" + "RECLAMANTE PAULO ROBERTO VENDRAMI\n" + "ADVOGADO JAIZA DOMINGAS\n" + "GONCALVES(OAB: 55633/SP)\n" + "RECLAMADO DEPARTAMENTO AEROVIARIO DO\n" + "Processo Nº ATOrd-0148400-36.2009.5.02.0043Lula"; 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