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

/
/
gms

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 = "(Error validating properties for broker :)[a-zA-Z0-9 '']*$.^((?!Exception).)*Exception:[:;,\\.''\\-\\_àèìòùÀÈÌÒÙáéíóúýÁÉÍÓÚÝâêîôûÂÊÎÔÛãñõÃÑÕäëïöüÿÄËÏÖÜŸçÇßØøÅåÆæœ\\w\\d \\t]*"; final String string = "2/11/2021 17:14:20;=======================================================================\n" + "2/11/2021 17:14:20;stg\n" + "2/11/2021 17:14:20;stg else\n" + "02/11/2021 17:14:20;=======================================================================\n" + "02/11/2021 17:14:20;Starting test for : OUTBOUND RabbitMQ\n" + "02/11/2021 17:14:51;Error validating properties for broker : OUTBOUND RabbitMQ\n" + "java.lang.Exception: ERREUR::Exception lors de l'ouverture du channel[Connection timed out: connect]\n" + " at com.mom.utils.ClientUtils.openChannel(ClientUtils.java:80) ~[classes/:na]\n" + " at com.mom.properties.RabbitMqOutboundProperties.testConfig(RabbitMqOutboundProperties.java:61) ~[classes/:na]\n" + " at com.mom.BrokerConfigurationTester.main(BrokerConfigurationTester.java:73) ~[classes/:na]\n" + "02/11/2021 17:14:51;=======================================================================\n" + "02/11/2021 17:14:51;Starting test for : INBOUND MqSeries\n" + "02/11/2021 17:14:53;Error validating properties for broker : INBOUND MqSeries\n" + "com.ibm.msg.client.jms.DetailedIllegalStateException: JMSWMQ0018: Echec de la connexion au gestionnaire de files d'attente 'QMFINOUT' à l'aide du mode de connexion 'Client' et du nom d'hôte 'Client'.\n" + " at com.ibm.msg.client.wmq.common.internal.Reason.reasonToException(Reason.java:489) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.msg.client.wmq.common.internal.Reason.createException(Reason.java:215) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.msg.client.wmq.internal.WMQConnection.<init>(WMQConnection.java:456) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.msg.client.wmq.factories.WMQConnectionFactory.createV7ProviderConnection(WMQConnectionFactory.java:8683) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.msg.client.wmq.factories.WMQConnectionFactory.createProviderConnection(WMQConnectionFactory.java:8023) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.msg.client.jms.admin.JmsConnectionFactoryImpl._createConnection(JmsConnectionFactoryImpl.java:322) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.msg.client.jms.admin.JmsConnectionFactoryImpl.createConnection(JmsConnectionFactoryImpl.java:242) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jms.MQConnectionFactory.createCommonConnection(MQConnectionFactory.java:6026) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jms.MQQueueConnectionFactory.createQueueConnection(MQQueueConnectionFactory.java:142) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.mom.utils.ClientUtils.openAndTestJmsConnection(ClientUtils.java:130) ~[classes/:na]\n" + " at com.mom.properties.MqSeriesProperties.testConfig(MqSeriesProperties.java:57) ~[classes/:na]\n" + " at com.mom.BrokerConfigurationTester.main(BrokerConfigurationTester.java:73) ~[classes/:na]\n" + "Caused by: com.ibm.mq.MQException: JMSCMQ0001: L'appel IBM MQ a échoué avec le code achèvement '2' ('MQCC_FAILED') ; motif '2538' ('MQRC_HOST_NOT_AVAILABLE').\n" + " at com.ibm.msg.client.wmq.common.internal.Reason.createException(Reason.java:203) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " ... 10 common frames omitted\n" + "Caused by: com.ibm.mq.jmqi.JmqiException: CC=2;RC=2538;AMQ9204: Connexion à l'hôte 'inmifbatqpm1.rouen.francetelecom.fr(1415)' rejetée. [1=com.ibm.mq.jmqi.JmqiException[CC=2;RC=2538;AMQ9205: Le nom d'hôte fourni n'est pas valide. [3=inmifbatqpm1.rouen.francetelecom.fr,4=TCP]],3=inmifbatqpm1.rouen.francetelecom.fr(1415),4=,5=RemoteTCPConnection.resolveHostname]\n" + " at com.ibm.mq.jmqi.remote.api.RemoteFAP$Connector.jmqiConnect(RemoteFAP.java:13605) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.api.RemoteFAP$Connector.access$100(RemoteFAP.java:13143) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.api.RemoteFAP.jmqiConnect(RemoteFAP.java:1448) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.api.RemoteFAP.jmqiConnect(RemoteFAP.java:1389) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.ese.jmqi.InterceptedJmqiImpl.jmqiConnect(InterceptedJmqiImpl.java:377) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.ese.jmqi.ESEJMQI.jmqiConnect(ESEJMQI.java:562) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.msg.client.wmq.internal.WMQConnection.<init>(WMQConnection.java:389) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " ... 9 common frames omitted\n" + "Caused by: com.ibm.mq.jmqi.JmqiException: CC=2;RC=2538;AMQ9205: Le nom d'hôte fourni n'est pas valide. [3=inmifbatqpm1.rouen.francetelecom.fr,4=TCP]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteTCPConnection.resolveHostname(RemoteTCPConnection.java:651) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteTCPConnection.parseConnectionName(RemoteTCPConnection.java:480) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteTCPConnection.protocolConnect(RemoteTCPConnection.java:1341) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteConnection.connect(RemoteConnection.java:995) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteConnectionSpecification.getNewConnection(RemoteConnectionSpecification.java:572) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteConnectionSpecification.getSessionFromNewConnection(RemoteConnectionSpecification.java:246) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteConnectionSpecification.getSession(RemoteConnectionSpecification.java:154) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.impl.RemoteConnectionPool.getSession(RemoteConnectionPool.java:127) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " at com.ibm.mq.jmqi.remote.api.RemoteFAP$Connector.jmqiConnect(RemoteFAP.java:13345) ~[com.ibm.mq.allclient-9.2.3.0.jar:9.2.3.0 - p923-L210708]\n" + " ... 15 common frames omitted\n" + "02/11/2021 17:14:53;=======================================================================\n" + "02/11/2021 17:14:53;stg\n" + "02/11/2021 17:14:53;stg else\n" + "02/11/2021 17:14:53;======================================================================="; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE | Pattern.DOTALL); 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