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| | <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="loc_deiEntityIncorporationStateCountryCode"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="loc_us-gaapPaymentsToAcquireIntangibleAssets"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfIntangibleAssets" xlink:label="loc_us-gaapProceedsFromSaleOfIntangibleAssets"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_RGINNotesPayableAxis" order="10"/> |
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| | <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RGINNotesPayableDomain" xlink:to="loc_RGINPromissoryNote2Member" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentIssuanceDate1" xlink:label="loc_us-gaapDebtInstrumentIssuanceDate1"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaapDebtInstrumentFaceAmount"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesAndOtherLiabilities" xlink:label="loc_us-gaapAccruedLiabilitiesAndOtherLiabilities"/> |
| | <link:presentationArc order="60" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementLineItems" xlink:to="loc_us-gaapAccruedLiabilitiesAndOtherLiabilities" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/> |
| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaapInterestExpenseDebt"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCreditCarryforwardExpirationDate" xlink:label="loc_us-gaapTaxCreditCarryforwardExpirationDate"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:label="loc_us-gaapEffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://RGIN/role/StockholdersDeficiencyDetailsNarrative" xlink:title="00000025 - Disclosure - STOCKHOLDERS DEFICIENCY (Details Narrative)"> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_RGINNotesToFinancialStatementsAbstract" xlink:to="loc_us-gaapStatementTable" order="100"/> |
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| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementTable" xlink:to="loc_us-gaapStatementLineItems" order="200"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaapEquityComponentDomain"/> |
| | <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapStatementEquityComponentsAxis" xlink:to="loc_us-gaapEquityComponentDomain" order="0"/> |
| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeriesAPreferredStockMember" xlink:label="loc_us-gaapSeriesAPreferredStockMember"/> |
| | <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaapEquityComponentDomain" xlink:to="loc_us-gaapSeriesAPreferredStockMember" xlink:type="arc"/> |
| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeriesBPreferredStockMember" xlink:label="loc_us-gaapSeriesBPreferredStockMember"/> |
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| | <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentRate" xlink:label="loc_us-gaapDebtConversionConvertedInstrumentRate"/> |
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| | <link:loc xlink:type="locator" xlink:href="rgin-20191231.xsd#RGIN_DividendStatedValueDescription" xlink:label="loc_RGINDividendStatedValueDescription"/> |
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| | <link:loc xlink:type="locator" xlink:href="rgin-20191231.xsd#RGIN_SeriesBSharesAuthorized" xlink:label="loc_RGINSeriesBSharesAuthorized"/> |
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| <link:presentationLink xlink:type="extended" xlink:role="http://RGIN/role/Stock-basedCompensationDetailsNarrative" xlink:title="00000026 - Disclosure - STOCK-BASED COMPENSATION (Details Narrative)"> |
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