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

/
/
m

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 = "(?<cdrRecordType>d+)\\,(?<globalCallID_callManagerId>d+)\\,(?<globalCallID_callId>d+)\\,(?<origLegCallIdentifier>d+)\\,(?<dateTimeOrigination>d+)\\,(?<origNodeId>d+)\\,(?<origSpan>d+)\\,(?<origIpAddr>d+)\\,(?<callingPartyNumber>d+)\\,(?<callingPartyUnicodeLoginUserID>d+)\\,(?<origCause_location>d+)\\,(?<origCause_value>d+)\\,(?<origPrecedenceLevel>d+)\\,(?<origMediaTransportAddress_IP>d+)\\,(?<origMediaTransportAddress_Port>d+)\\,(?<origMediaCap_payloadCapability>d+)\\,(?<origMediaCap_maxFramesPerPacket>d+)\\,(?<origMediaCap_g723BitRate>d+)\\,(?<origVideoCap_Codec>d+)\\,(?<origVideoCap_Bandwidth>d+)\\,(?<origVideoCap_Resolution>d+)\\,(?<origVideoTransportAddress_IP>d+)\\,(?<origVideoTransportAddress_Port>d+)\\,(?<origRSVPAudioStat>d+)\\,(?<origRSVPVideoStat>d+)\\,(?<destLegIdentifier>d+)\\,(?<destNodeId>d+)\\,(?<destSpan>d+)\\,(?<destIpAddr>d+)\\,(?<originalCalledPartyNumber>d+)\\,(?<finalCalledPartyNumber>d+)\\,(?<finalCallPartyUnicodeLoginUserID>d+)\\,(?<destCause_location>d+)\\,(?<destCause_value>d+)\\,(?<destPrecedenceLevel>d+)\\,(?<destMediaTransportAddress_IP>d+)\\,(?<destMediaTransportAddress_Port>d+)\\,(?<destMediaCap_payloadCapability>d+)\\,(?<destMediaCap_maxFramesPerPacket>d+)\\,(?<destMediaCap_g723BitRate>d+)\\,(?<destVideoCap_Codec>d+)\\,(?<destVideoCap_Bandwidth>d+)\\,(?<destVideoCap_Resolution>d+)\\,(?<destVideoTransportAddress_IP>d+)\\,(?<destVideoTransportAddress_Port>d+)\\,(?<destRSVPAudioStat>d+)\\,(?<destRSVPVideoStat>d+)\\,(?<dateTimeConnect>d+)\\,(?<dateTimeDisconnect>d+)\\,(?<lastRedirectDn>d+)\\,(?<pkid>d+)\\,(?<originalCallPartyNumberPartition>d+)\\,(?<callingPartyNumberPartition>d+)\\,(?<finalCalledPartyNumberPartition>d+)\\,(?<lastRedirectDnPartition>d+)\\,(?<duration>d+)\\,(?<origDeviceName>d+)\\,(?<destDeviceName>d+)\\,(?<origCallTerminationOnBehalfOf>d+)\\,(?<destCallTerminationOnBehalfOf>d+)\\,(?<origCallPartyRedirectOnBehalfOf>d+)\\,(?<lastRedirectRedirectOnBehalfOf>d+)\\,(?<origCalledPartyRedirectReason>d+)\\,(?<lastRedirectRedirectReason>d+)\\,(?<destConversationId>d+)\\,(?<globalCallId_ClusterID>d+)\\,(?<joinOnBehalfOf>d+)\\,(?<comment>d+)\\,(?<authCodeDescription>d+)\\,(?<authorizationLevel>d+)\\,(?<clientMatterCode>d+)\\,(?<origDTMFMethod>d+)\\,(?<destDTMFMethod>d+)\\,(?<callSecuredStatus>d+)\\,(?<origConversationId>d+)\\,(?<origMediaCap_Bandwidth>d+)\\,(?<destMediaCap_Bandwidth>d+)\\,(?<authorizationCodeValue>d+)\\,(?<outpulsedCallingPartyNumber>d+)\\,(?<outpulsedCalledPartyNumber>d+)\\,(?<origIpv4v6Addr>d+)\\,(?<destIpv4v6Addr>d+)\\,(?<origVideoCap_Codec_Channel2>d+)\\,(?<origVideoCap_Bandwidth_Channel2>d+)\\,(?<origVideoCap_Resolution_Channel2>d+)\\,(?<origVideoTransAdd_IP_Channel2>d+)\\,(?<origVideoTransAdd_Port_Channel2>d+)\\,(?<origVideoChannel_Role_Channel2>d+)\\,(?<destVideoCap_Codec_Channel2>d+)\\,(?<destVideoCap_Bandwidth_Channel2>d+)\\,(?<destVideoCap_Resolution_Channel2>d+)\\,(?<destVideoTransAdd_IP_Channel2>d+)\\,(?<destVideoTransAdd_Port_Channel2>d+)\\,(?<destVideoChannel_Role_Channel2>d+)\\,(?<IncomingProtocolID>d+)\\,(?<IncomingProtocolCallRef>d+)\\,(?<OutgoingProtocolID>d+)\\,(?<OutgoingProtocolCallRef>d+)\\,(?<currentRoutingReason>d+)\\,(?<origRoutingReason>d+)\\,(?<lastRedirectingRoutingReason>d+)\\,(?<huntPilotPartition>d+)\\,(?<huntPilotDN>d+)\\,(?<calledPartyPatternUsage>d+)\\,(?<IncomingICID>d+)\\,(?<IncomingOrigIOI>d+)\\,(?<IncomingTermIOI>d+)\\,(?<OutgoingICID>d+)\\,(?<OutgoingOrigIOI>d+)\\,(?<OutgoingTermIOI>d+)\\,(?<outpulsedOrilCalledPartyNumber>d+)\\,(?<outpulsedLastRedirectingNumber>d+)\\,(?<wasCallQueued>d+)\\,(?<totalWaitTimeInQueue>d+)\\,(?<callingPartyNumber_uri>d+)\\,(?<originalCalledPartyNumber_uri>d+)\\,(?<finalCalledPartyNumber_uri>d+)\\,(?<lastRedirectDn_uri>d+)\\,(?<mobileCallingPartyNumber>d+)\\,(?<finalMobileCalledPartyNumber>d+)\\,(?<origMobileDeviceName>d+)\\,(?<destMobileDeviceName>d+)\\,(?<origMobileCallDuration>d+)\\,(?<destMobileCallDuration>d+)\\,(?<mobileCallType>d+)\\,(?<originalCalledPartyPattern>d+)\\,(?<finalCalledPartyPattern>d+)\\,(?<lastRedirectingPartyPattern>d+)\\,(?<huntPilotPattern>d+)\\,\n"; final String string = "\"cdrRecordType\",\"globalCallID_callManagerId\",\"globalCallID_callId\",\"origLegCallIdentifier\",\"dateTimeOrigination\",\"origNodeId\",\"origSpan\",\"origIpAddr\",\"callingPartyNumber\",\"callingPartyUnicodeLoginUserID\",\"origCause_location\",\"origCause_value\",\"origPrecedenceLevel\",\"origMediaTransportAddress_IP\",\"origMediaTransportAddress_Port\",\"origMediaCap_payloadCapability\",\"origMediaCap_maxFramesPerPacket\",\"origMediaCap_g723BitRate\",\"origVideoCap_Codec\",\"origVideoCap_Bandwidth\",\"origVideoCap_Resolution\",\"origVideoTransportAddress_IP\",\"origVideoTransportAddress_Port\",\"origRSVPAudioStat\",\"origRSVPVideoStat\",\"destLegIdentifier\",\"destNodeId\",\"destSpan\",\"destIpAddr\",\"originalCalledPartyNumber\",\"finalCalledPartyNumber\",\"finalCalledPartyUnicodeLoginUserID\",\"destCause_location\",\"destCause_value\",\"destPrecedenceLevel\",\"destMediaTransportAddress_IP\",\"destMediaTransportAddress_Port\",\"destMediaCap_payloadCapability\",\"destMediaCap_maxFramesPerPacket\",\"destMediaCap_g723BitRate\",\"destVideoCap_Codec\",\"destVideoCap_Bandwidth\",\"destVideoCap_Resolution\",\"destVideoTransportAddress_IP\",\"destVideoTransportAddress_Port\",\"destRSVPAudioStat\",\"destRSVPVideoStat\",\"dateTimeConnect\",\"dateTimeDisconnect\",\"lastRedirectDn\",\"pkid\",\"originalCalledPartyNumberPartition\",\"callingPartyNumberPartition\",\"finalCalledPartyNumberPartition\",\"lastRedirectDnPartition\",\"duration\",\"origDeviceName\",\"destDeviceName\",\"origCallTerminationOnBehalfOf\",\"destCallTerminationOnBehalfOf\",\"origCalledPartyRedirectOnBehalfOf\",\"lastRedirectRedirectOnBehalfOf\",\"origCalledPartyRedirectReason\",\"lastRedirectRedirectReason\",\"destConversationId\",\"globalCallId_ClusterID\",\"joinOnBehalfOf\",\"comment\",\"authCodeDescription\",\"authorizationLevel\",\"clientMatterCode\",\"origDTMFMethod\",\"destDTMFMethod\",\"callSecuredStatus\",\"origConversationId\",\"origMediaCap_Bandwidth\",\"destMediaCap_Bandwidth\",\"authorizationCodeValue\",\"outpulsedCallingPartyNumber\",\"outpulsedCalledPartyNumber\",\"origIpv4v6Addr\",\"destIpv4v6Addr\",\"origVideoCap_Codec_Channel2\",\"origVideoCap_Bandwidth_Channel2\",\"origVideoCap_Resolution_Channel2\",\"origVideoTransportAddress_IP_Channel2\",\"origVideoTransportAddress_Port_Channel2\",\"origVideoChannel_Role_Channel2\",\"destVideoCap_Codec_Channel2\",\"destVideoCap_Bandwidth_Channel2\",\"destVideoCap_Resolution_Channel2\",\"destVideoTransportAddress_IP_Channel2\",\"destVideoTransportAddress_Port_Channel2\",\"destVideoChannel_Role_Channel2\",\"IncomingProtocolID\",\"IncomingProtocolCallRef\",\"OutgoingProtocolID\",\"OutgoingProtocolCallRef\",\"currentRoutingReason\",\"origRoutingReason\",\"lastRedirectingRoutingReason\",\"huntPilotPartition\",\"huntPilotDN\",\"calledPartyPatternUsage\",\"IncomingICID\",\"IncomingOrigIOI\",\"IncomingTermIOI\",\"OutgoingICID\",\"OutgoingOrigIOI\",\"OutgoingTermIOI\",\"outpulsedOriginalCalledPartyNumber\",\"outpulsedLastRedirectingNumber\",\"wasCallQueued\",\"totalWaitTimeInQueue\",\"callingPartyNumber_uri\",\"originalCalledPartyNumber_uri\",\"finalCalledPartyNumber_uri\",\"lastRedirectDn_uri\",\"mobileCallingPartyNumber\",\"finalMobileCalledPartyNumber\",\"origMobileDeviceName\",\"destMobileDeviceName\",\"origMobileCallDuration\",\"destMobileCallDuration\",\"mobileCallType\",\"originalCalledPartyPattern\",\"finalCalledPartyPattern\",\"lastRedirectingPartyPattern\",\"huntPilotPattern\"\n" + "INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,VARCHAR(50),VARCHAR(128),INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,VARCHAR(64),VARCHAR(64),INTEGER,INTEGER,INTEGER,INTEGER,VARCHAR(50),VARCHAR(50),VARCHAR(128),INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,VARCHAR(64),VARCHAR(64),INTEGER,INTEGER,VARCHAR(50),UNIQUEIDENTIFIER,VARCHAR(50),VARCHAR(50),VARCHAR(50),VARCHAR(50),INTEGER,VARCHAR(129),VARCHAR(129),INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,VARCHAR(50),INTEGER,VARCHAR(2048),VARCHAR(50),INTEGER,VARCHAR(32),INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,VARCHAR(32),VARCHAR(50),VARCHAR(50),VARCHAR(64),VARCHAR(64),INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,INTEGER,VARCHAR(32),INTEGER,VARCHAR(32),INTEGER,INTEGER,INTEGER,VARCHAR(50),VARCHAR(50),INTEGER,VARCHAR(50),VARCHAR(50),VARCHAR(50),VARCHAR(50),VARCHAR(50),VARCHAR(50),VARCHAR(50),VARCHAR(50),INTEGER,INTEGER,VARCHAR(255),VARCHAR(255),VARCHAR(255),VARCHAR(255),VARCHAR(50),VARCHAR(50),VARCHAR(129),VARCHAR(129),INTEGER,INTEGER,INTEGER,VARCHAR(50),VARCHAR(50),VARCHAR(50),VARCHAR(50)\n" + "1,2,66619,37842527,1521601412,2,37842527,768283402,\"8345\",\"\",0,0,4,561581578,20952,4,20,0,0,0,0,0,0,\"0\",\"0\",37842528,2,0,-1939586038,\"+552125403404\",\"+552125403404\",\"\",0,16,4,-1939586038,20580,4,20,0,0,0,0,0,0,\"0\",\"0\",1521601417,1521602306,\"+552125403404\",\"df8a12f7-6aa7-4ffb-b97f-eb331c392ec9\",\"GLOBAL_DN_E164_PT\",\"\",\"GLOBAL_DN_E164_PT\",\"GLOBAL_DN_E164_PT\",889,\"TRK-SME\",\"SEP10BD1800DEC5\",0,12,0,0,0,0,0,\"GloboUC\",0,\"\",\"\",0,\"\",3,3,0,0,64,64,\"\",\"\",\"\",\"10.14.121.33\",\"10.68.100.140\",0,0,0,0,0,0,0,0,0,0,0,0,1,\"6ECE5F800001000000175DAB2DCB130A\",0,\"\",0,0,0,\"\",\"\",2,\"\",\"\",\"\",\"\",\"\",\"\",\"\",\"\",0,0,\"\",\"\",\"\",\"\",\"\",\"\",\"\",\"\",0,0,0,\"+552125403404\",\"+552125403404\",\"+552125403404\",\"\"\n"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE); final Matcher matcher = pattern.matcher(string); if (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