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"
"
g

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"@Test\s*\((?P<params>[^@\n]*)\)\s+(@\w+\s*\([^@\n]*\s*)*@CitrusTest\((?P<name>[^@\n]*)\)((?!(public|private|protected)).*\n\s*)+(public|private|protected)\s+(?P<return_type>\w+)\s+(?P<method>[\w-]+)\s*\(.*\)\s*{\s*description\w*\(\w*\".*:\s*(?P<NEs>[\w-]+\s+(\([\w-]+\))?(\s*,\s+[\w-]+)*)\s*\"\s*\)"# let regex = try! NSRegularExpression(pattern: pattern) let testString = #""" @Test(enabled=true, groups = { "set_6", "set_6.producction", "set_6.cdma", "aaa", "aaa.activates" }) @CitrusTest(name = "AAA - CDMA Activate non-existing subscriber") public void AAA_CDMA_Activate_NonExisting_Subscriber(){ description("NEs: AAASL1 (AAA_STG1_HTTP), MBREQ1, MBSYNCREQ1, UISYNCREQ1, MBAAARSP"); /* *********************************** TEST DATA ************************************ */ variable("NEName", "AAASL1"); variable("NECategory", "AAAServer"); variable("MEID", "${MEID}"); variable("MEID2", "${MEID}"); variable("MDN", "${MDN_5}"); variable("MIN", "${MIN_5}"); variable("CorrelationHandle", "${0063_CorrelationHandle}"); /* *********************************************************************************** */ sendBackEndRequest(request.CDMA_DELETE); sendBackEndRequest(request.CDMA_ACTIVATE); applyBehavior(new SendVerify(request.PSB_VERIFY, "verifySoapClient")); receive(action -> action.endpoint("verifySoapClient") .schemaValidation(false) .validateNamespace("vs", "http://www.verizonwireless.com/mtas/schema/VerifySubscriber") .validateNamespace("res", "http://www.verizonwireless.com/mtas/schema/Response") .validate("//vs:VerifyResponse/vs:VerifyResponseContent/vs:NeVerifyResults/vs:NetworkElementCode", "${NEName}") .validate("//vs:VerifyResponse/vs:VerifyResponseContent/vs:NeVerifyResults/vs:Status/vs:Code", "FOUND") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='meidHex']/vs:Value", "@equalsIgnoreCase('${MEID}')@") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='DMU_KEY_STATE']/vs:Value", "update-keys") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='ServiceIndicators']/vs:Value", "MNAI-DUN,IP_POOL_ID-General_FES") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='domain']/vs:Value", "vzw3g.com")); sendBackEndRequest(request.CDMA_DELETE); } @Test(enabled=true, groups = { "set_6", "aaa", "aaa.deletes" }) @CitrusTest(name = "AAA - CDMA Delete existing subscriber") public void AAA_CDMA_Delete_Existing_Subscriber(){ description("NEs: AAASL1 (AAA_STG1_HTTP), MBREQ1, MBSYNCREQ1, UISYNCREQ1, MBAAARSP"); /* *********************************** TEST DATA ************************************ */ variable("NEName", "AAASL1"); variable("NECategory", "AAAServer"); variable("MEID", "${MEID}"); variable("MEID2", "${MEID}"); variable("MDN", "${MDN_5}"); variable("MIN", "${MIN_5}"); variable("ICCID", "${0063_ICCID}"); variable("IMSI_VZW", "${0063_IMSI_VZW}"); variable("IMSI_VOD", "${0063_IMSI_VOD}"); variable("EUIMID", "${0063_EUIMID}"); variable("RateCenter", "${RateCenter}"); variable("CorrelationHandle", "${0063_CorrelationHandle}"); /* *********************************************************************************** */ sendBackEndRequest(request.CDMA_DELETE); sendBackEndRequest(request.CDMA_ACTIVATE); applyBehavior(new SendVerify(request.PSB_VERIFY, "verifySoapClient")); receive(action -> action.endpoint("verifySoapClient") .schemaValidation(false) .validateNamespace("vs", "http://www.verizonwireless.com/mtas/schema/VerifySubscriber") .validateNamespace("res", "http://www.verizonwireless.com/mtas/schema/Response") .validate("//vs:VerifyResponse/vs:VerifyResponseContent/vs:NeVerifyResults/vs:NetworkElementCode", "${NEName}") .validate("//vs:VerifyResponse/vs:VerifyResponseContent/vs:NeVerifyResults/vs:Status/vs:Code", "FOUND") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='meidHex']/vs:Value", "@equalsIgnoreCase('${MEID}')@") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='DMU_KEY_STATE']/vs:Value", "update-keys") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='ServiceIndicators']/vs:Value", "MNAI-DUN,IP_POOL_ID-General_FES") .validate("//vs:NetworkElementAttributes/vs:NetworkElementParameters[vs:Name='domain']/vs:Value", "vzw3g.com")); sendBackEndRequest(request.CDMA_DELETE); applyBehavior(new SendVerify(request.PSB_VERIFY, "verifySoapClient")); receive(action -> action.endpoint("verifySoapClient") .schemaValidation(false) .validateNamespace("vs", "http://www.verizonwireless.com/mtas/schema/VerifySubscriber") .validateNamespace("res", "http://www.verizonwireless.com/mtas/schema/Response") .validate("//vs:VerifyResponse/vs:VerifyResponseContent/vs:NeVerifyResults/vs:NetworkElementCode", "${NEName}") .validate("//vs:VerifyResponse/vs:VerifyResponseContent/vs:NeVerifyResults/vs:Status/vs:Code", "NOTFOUND") .validate("//vs:VerifyResponse/vs:VerifyResponseContent/vs:NeVerifyResults/vs:Status/vs:Description", "Subscriber not found")); } """# let stringRange = NSRange(location: 0, length: testString.utf16.count) let matches = regex.matches(in: testString, range: stringRange) var result: [[String]] = [] for match in matches { var groups: [String] = [] for rangeIndex in 1 ..< match.numberOfRanges { let nsRange = match.range(at: rangeIndex) guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue } let string = (testString as NSString).substring(with: nsRange) groups.append(string) } if !groups.isEmpty { result.append(groups) } } print(result)

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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression