diff --git a/dist/index.min.js b/dist/index.min.js
index febbe16..da5d5a8 100644
--- a/dist/index.min.js
+++ b/dist/index.min.js
@@ -1,4 +1,4 @@
-var OnigurumaToES=(()=>{var te=Object.defineProperty;var Ct=Object.getOwnPropertyDescriptor;var mt=Object.getOwnPropertyNames;var Et=Object.prototype.hasOwnProperty;var wt=(e,t)=>{for(var r in t)te(e,r,{get:t[r],enumerable:!0})},At=(e,t,r,s)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of mt(t))!Et.call(e,n)&&n!==r&&te(e,n,{get:()=>t[n],enumerable:!(s=Ct(t,n))||s.enumerable});return e};var St=e=>At(te({},"__esModule",{value:!0}),e);var Lr={};wt(Lr,{compile:()=>_e,toOnigurumaAst:()=>dt,toRegExp:()=>Tr,toRegexAst:()=>Pr});var re=String.raw,ke=re`(?:\p{Emoji}\uFE0F\u20E3?|\p{Emoji_Modifier_Base}\p{Emoji_Modifier}?|\p{Emoji_Presentation})`,xe=re`\u{E0061}-\u{E007A}`,be=()=>new RegExp(re`[\u{1F1E6}-\u{1F1FF}]{2}|\u{1F3F4}[${xe}]{2}[\u{E0030}-\u{E0039}${xe}]{1,3}\u{E007F}|${ke}(?:\u200D${ke})*`,"gu");var A=String.fromCodePoint,f=String.raw,Q={ES2018:2018,ES2024:2024,ESNext:2025};function v(e,t,r){return e.has(t)||e.set(t,r),e.get(t)}function V(e,t){return Q[e]>=Q[t]}function N(e,t){if(!e)throw new Error(t??"Value expected");return e}var _t=new Set([A(304),A(305)]);function se(e){if(_t.has(e))return[e];let t=new Set,r=e.toLowerCase(),s=r.toUpperCase(),n=bt.get(r),o=xt.get(r);return[...s].length===1&&t.add(s),t.add(r),n&&t.add(n),o&&t.add(o),[...t]}var ae=new Set(["C","Other","Cc","Control","cntrl","Cf","Format","Cn","Unassigned","Co","Private_Use","Cs","Surrogate","L","Letter","LC","Cased_Letter","Ll","Lowercase_Letter","Lm","Modifier_Letter","Lo","Other_Letter","Lt","Titlecase_Letter","Lu","Uppercase_Letter","M","Mark","Combining_Mark","Mc","Spacing_Mark","Me","Enclosing_Mark","Mn","Nonspacing_Mark","N","Number","Nd","Decimal_Number","digit","Nl","Letter_Number","No","Other_Number","P","Punctuation","punct","Pc","Connector_Punctuation","Pd","Dash_Punctuation","Pe","Close_Punctuation","Pf","Final_Punctuation","Pi","Initial_Punctuation","Po","Other_Punctuation","Ps","Open_Punctuation","S","Symbol","Sc","Currency_Symbol","Sk","Modifier_Symbol","Sm","Math_Symbol","So","Other_Symbol","Z","Separator","Zl","Line_Separator","Zp","Paragraph_Separator","Zs","Space_Separator","ASCII","ASCII_Hex_Digit","AHex","Alphabetic","Alpha","Any","Assigned","Bidi_Control","Bidi_C","Bidi_Mirrored","Bidi_M","Case_Ignorable","CI","Cased","Changes_When_Casefolded","CWCF","Changes_When_Casemapped","CWCM","Changes_When_Lowercased","CWL","Changes_When_NFKC_Casefolded","CWKCF","Changes_When_Titlecased","CWT","Changes_When_Uppercased","CWU","Dash","Default_Ignorable_Code_Point","DI","Deprecated","Dep","Diacritic","Dia","Emoji","Emoji_Component","EComp","Emoji_Modifier","EMod","Emoji_Modifier_Base","EBase","Emoji_Presentation","EPres","Extended_Pictographic","ExtPict","Extender","Ext","Grapheme_Base","Gr_Base","Grapheme_Extend","Gr_Ext","Hex_Digit","Hex","IDS_Binary_Operator","IDSB","IDS_Trinary_Operator","IDST","ID_Continue","IDC","ID_Start","IDS","Ideographic","Ideo","Join_Control","Join_C","Logical_Order_Exception","LOE","Lowercase","Lower","Math","Noncharacter_Code_Point","NChar","Pattern_Syntax","Pat_Syn","Pattern_White_Space","Pat_WS","Quotation_Mark","QMark","Radical","Regional_Indicator","RI","Sentence_Terminal","STerm","Soft_Dotted","SD","Terminal_Punctuation","Term","Unified_Ideograph","UIdeo","Uppercase","Upper","Variation_Selector","VS","White_Space","space","XID_Continue","XIDC","XID_Start","XIDS"]),oe=new Map;for(let e of ae)oe.set(j(e),e);var kt=new Set(["Basic_Emoji","Emoji_Keycap_Sequence","RGI_Emoji","RGI_Emoji_Flag_Sequence","RGI_Emoji_Modifier_Sequence","RGI_Emoji_Tag_Sequence","RGI_Emoji_ZWJ_Sequence"]),ie=new Map;for(let e of kt)ie.set(j(e),e);var ye=new Set("Dogr Dogra Gong Gunjala_Gondi Hanifi_Rohingya Maka Makasar Medefaidrin Medf Old_Sogdian Rohg Sogd Sogdian Sogo Extended_Pictographic Elym Elymaic Hmnp Nand Nandinagari Nyiakeng_Puachue_Hmong Wancho Wcho Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi EBase EComp EMod EPres ExtPict Cpmn Cypro_Minoan Old_Uyghur Ougr Tangsa Tnsa Toto Vith Vithkuqi Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sunu Sunuwar Todhri Todr Tulu_Tigalari Tutg Unknown Zzzz".split(" ")),xt=new Map([[A(223),A(7838)],[A(107),A(8490)],[A(229),A(8491)],[A(969),A(8486)]]),bt=new Map([L(453),L(456),L(459),L(498),...ne(8072,8079),...ne(8088,8095),...ne(8104,8111),L(8124),L(8140),L(8188)]),W=new Map([["alnum",f`[\p{Alpha}\p{Nd}]`],["alpha",f`\p{Alpha}`],["ascii",f`\p{ASCII}`],["blank",f`[\p{Zs}\t]`],["cntrl",f`\p{cntrl}`],["digit",f`\p{Nd}`],["graph",f`[\P{space}&&\P{cntrl}&&\P{Cn}&&\P{Cs}]`],["lower",f`\p{Lower}`],["print",f`[[\P{space}&&\P{cntrl}&&\P{Cn}&&\P{Cs}]\p{Zs}]`],["punct",f`[\p{P}\p{S}]`],["space",f`\p{space}`],["upper",f`\p{Upper}`],["word",f`[\p{Alpha}\p{M}\p{Nd}\p{Pc}]`],["xdigit",f`\p{AHex}`]]),Ne=new Set(["alnum","blank","graph","print","word","xdigit"]);function yt(e,t){let r=[];for(let s=e;s<=t;s++)r.push(s);return r}function j(e){return e.replace(/[- _]+/g,"").toLowerCase()}function L(e){let t=A(e);return[t.toLowerCase(),t]}function ne(e,t){return yt(e,t).map(r=>L(r))}var ce=new Set(["Lower","Lowercase","Upper","Uppercase","Ll","Lowercase_Letter","Lt","Titlecase_Letter","Lu","Uppercase_Letter"]);var g={Alternator:"Alternator",Assertion:"Assertion",Backreference:"Backreference",Character:"Character",CharacterClassClose:"CharacterClassClose",CharacterClassHyphen:"CharacterClassHyphen",CharacterClassIntersector:"CharacterClassIntersector",CharacterClassOpen:"CharacterClassOpen",CharacterSet:"CharacterSet",Directive:"Directive",GroupClose:"GroupClose",GroupOpen:"GroupOpen",Subroutine:"Subroutine",Quantifier:"Quantifier",VariableLengthCharacterSet:"VariableLengthCharacterSet",EscapedNumber:"EscapedNumber"},S={any:"any",digit:"digit",hex:"hex",posix:"posix",property:"property",space:"space",word:"word"},K={keep:"keep",flags:"flags"},x={atomic:"atomic",capturing:"capturing",group:"group",lookahead:"lookahead",lookbehind:"lookbehind"},$e=new Map([["a",7],["b",8],["e",27],["f",12],["n",10],["r",13],["t",9],["v",11]]),Pe="c.? | C(?:-.?)?",Te=f`[pP]\{(?:\^?[\x20\w]+\})?`,Le=f`u\{[^\}]*\}? | u\p{AHex}{0,4} | x\p{AHex}{0,2}`,ve=f`\d{1,3}`,Re=f`\[\^?\]?`,De=/[?*+][?+]?|\{\d+(?:,\d*)?\}\??/,q=new RegExp(f`
+var OnigurumaToES=(()=>{var te=Object.defineProperty;var Ct=Object.getOwnPropertyDescriptor;var mt=Object.getOwnPropertyNames;var Et=Object.prototype.hasOwnProperty;var wt=(e,t)=>{for(var r in t)te(e,r,{get:t[r],enumerable:!0})},St=(e,t,r,s)=>{if(t&&typeof t=="object"||typeof t=="function")for(let n of mt(t))!Et.call(e,n)&&n!==r&&te(e,n,{get:()=>t[n],enumerable:!(s=Ct(t,n))||s.enumerable});return e};var At=e=>St(te({},"__esModule",{value:!0}),e);var Lr={};wt(Lr,{compile:()=>_e,toOnigurumaAst:()=>dt,toRegExp:()=>Tr,toRegexAst:()=>Pr});var re=String.raw,ke=re`(?:\p{Emoji}\uFE0F\u20E3?|\p{Emoji_Modifier_Base}\p{Emoji_Modifier}?|\p{Emoji_Presentation})`,xe=re`\u{E0061}-\u{E007A}`,be=()=>new RegExp(re`[\u{1F1E6}-\u{1F1FF}]{2}|\u{1F3F4}[${xe}]{2}[\u{E0030}-\u{E0039}${xe}]{1,3}\u{E007F}|${ke}(?:\u200D${ke})*`,"gu");var S=String.fromCodePoint,f=String.raw,Q={ES2018:2018,ES2024:2024,ESNext:2025};function v(e,t,r){return e.has(t)||e.set(t,r),e.get(t)}function V(e,t){return Q[e]>=Q[t]}function N(e,t){if(!e)throw new Error(t??"Value expected");return e}var _t=new Set([S(304),S(305)]);function se(e){if(_t.has(e))return[e];let t=new Set,r=e.toLowerCase(),s=r.toUpperCase(),n=bt.get(r),o=xt.get(r);return[...s].length===1&&t.add(s),t.add(r),n&&t.add(n),o&&t.add(o),[...t]}var ae=new Set(["C","Other","Cc","Control","cntrl","Cf","Format","Cn","Unassigned","Co","Private_Use","Cs","Surrogate","L","Letter","LC","Cased_Letter","Ll","Lowercase_Letter","Lm","Modifier_Letter","Lo","Other_Letter","Lt","Titlecase_Letter","Lu","Uppercase_Letter","M","Mark","Combining_Mark","Mc","Spacing_Mark","Me","Enclosing_Mark","Mn","Nonspacing_Mark","N","Number","Nd","Decimal_Number","digit","Nl","Letter_Number","No","Other_Number","P","Punctuation","punct","Pc","Connector_Punctuation","Pd","Dash_Punctuation","Pe","Close_Punctuation","Pf","Final_Punctuation","Pi","Initial_Punctuation","Po","Other_Punctuation","Ps","Open_Punctuation","S","Symbol","Sc","Currency_Symbol","Sk","Modifier_Symbol","Sm","Math_Symbol","So","Other_Symbol","Z","Separator","Zl","Line_Separator","Zp","Paragraph_Separator","Zs","Space_Separator","ASCII","ASCII_Hex_Digit","AHex","Alphabetic","Alpha","Any","Assigned","Bidi_Control","Bidi_C","Bidi_Mirrored","Bidi_M","Case_Ignorable","CI","Cased","Changes_When_Casefolded","CWCF","Changes_When_Casemapped","CWCM","Changes_When_Lowercased","CWL","Changes_When_NFKC_Casefolded","CWKCF","Changes_When_Titlecased","CWT","Changes_When_Uppercased","CWU","Dash","Default_Ignorable_Code_Point","DI","Deprecated","Dep","Diacritic","Dia","Emoji","Emoji_Component","EComp","Emoji_Modifier","EMod","Emoji_Modifier_Base","EBase","Emoji_Presentation","EPres","Extended_Pictographic","ExtPict","Extender","Ext","Grapheme_Base","Gr_Base","Grapheme_Extend","Gr_Ext","Hex_Digit","Hex","IDS_Binary_Operator","IDSB","IDS_Trinary_Operator","IDST","ID_Continue","IDC","ID_Start","IDS","Ideographic","Ideo","Join_Control","Join_C","Logical_Order_Exception","LOE","Lowercase","Lower","Math","Noncharacter_Code_Point","NChar","Pattern_Syntax","Pat_Syn","Pattern_White_Space","Pat_WS","Quotation_Mark","QMark","Radical","Regional_Indicator","RI","Sentence_Terminal","STerm","Soft_Dotted","SD","Terminal_Punctuation","Term","Unified_Ideograph","UIdeo","Uppercase","Upper","Variation_Selector","VS","White_Space","space","XID_Continue","XIDC","XID_Start","XIDS"]),oe=new Map;for(let e of ae)oe.set(j(e),e);var kt=new Set(["Basic_Emoji","Emoji_Keycap_Sequence","RGI_Emoji","RGI_Emoji_Flag_Sequence","RGI_Emoji_Modifier_Sequence","RGI_Emoji_Tag_Sequence","RGI_Emoji_ZWJ_Sequence"]),ie=new Map;for(let e of kt)ie.set(j(e),e);var ye=new Set("Dogr Dogra Gong Gunjala_Gondi Hanifi_Rohingya Maka Makasar Medefaidrin Medf Old_Sogdian Rohg Sogd Sogdian Sogo Extended_Pictographic Elym Elymaic Hmnp Nand Nandinagari Nyiakeng_Puachue_Hmong Wancho Wcho Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi EBase EComp EMod EPres ExtPict Cpmn Cypro_Minoan Old_Uyghur Ougr Tangsa Tnsa Toto Vith Vithkuqi Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sunu Sunuwar Todhri Todr Tulu_Tigalari Tutg Unknown Zzzz".split(" ")),xt=new Map([[S(223),S(7838)],[S(107),S(8490)],[S(229),S(8491)],[S(969),S(8486)]]),bt=new Map([L(453),L(456),L(459),L(498),...ne(8072,8079),...ne(8088,8095),...ne(8104,8111),L(8124),L(8140),L(8188)]),W=new Map([["alnum",f`[\p{Alpha}\p{Nd}]`],["alpha",f`\p{Alpha}`],["ascii",f`\p{ASCII}`],["blank",f`[\p{Zs}\t]`],["cntrl",f`\p{cntrl}`],["digit",f`\p{Nd}`],["graph",f`[\P{space}&&\P{cntrl}&&\P{Cn}&&\P{Cs}]`],["lower",f`\p{Lower}`],["print",f`[[\P{space}&&\P{cntrl}&&\P{Cn}&&\P{Cs}]\p{Zs}]`],["punct",f`[\p{P}\p{S}]`],["space",f`\p{space}`],["upper",f`\p{Upper}`],["word",f`[\p{Alpha}\p{M}\p{Nd}\p{Pc}]`],["xdigit",f`\p{AHex}`]]),Ne=new Set(["alnum","blank","graph","print","word","xdigit"]);function yt(e,t){let r=[];for(let s=e;s<=t;s++)r.push(s);return r}function j(e){return e.replace(/[- _]+/g,"").toLowerCase()}function L(e){let t=S(e);return[t.toLowerCase(),t]}function ne(e,t){return yt(e,t).map(r=>L(r))}var ce=new Set(["Lower","Lowercase","Upper","Uppercase","Ll","Lowercase_Letter","Lt","Titlecase_Letter","Lu","Uppercase_Letter"]);var g={Alternator:"Alternator",Assertion:"Assertion",Backreference:"Backreference",Character:"Character",CharacterClassClose:"CharacterClassClose",CharacterClassHyphen:"CharacterClassHyphen",CharacterClassIntersector:"CharacterClassIntersector",CharacterClassOpen:"CharacterClassOpen",CharacterSet:"CharacterSet",Directive:"Directive",GroupClose:"GroupClose",GroupOpen:"GroupOpen",Subroutine:"Subroutine",Quantifier:"Quantifier",VariableLengthCharacterSet:"VariableLengthCharacterSet",EscapedNumber:"EscapedNumber"},A={any:"any",digit:"digit",hex:"hex",posix:"posix",property:"property",space:"space",word:"word"},K={keep:"keep",flags:"flags"},x={atomic:"atomic",capturing:"capturing",group:"group",lookahead:"lookahead",lookbehind:"lookbehind"},$e=new Map([["a",7],["b",8],["e",27],["f",12],["n",10],["r",13],["t",9],["v",11]]),Pe="c.? | C(?:-.?)?",Te=f`[pP]\{(?:\^?[\x20\w]+\})?`,Le=f`u\{[^\}]*\}? | u\p{AHex}{0,4} | x\p{AHex}{0,2}`,ve=f`\d{1,3}`,Re=f`\[\^?\]?`,De=/[?*+][?+]?|\{\d+(?:,\d*)?\}\??/,q=new RegExp(f`
   \\ (?:
     ${Pe}
     | ${Te}
@@ -31,9 +31,9 @@ var OnigurumaToES=(()=>{var te=Object.defineProperty;var Ct=Object.getOwnPropert
   | ${Re}
   | &&
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 | \\?.
-`.replace(/\s+/g,""),"gsu");function ct(e){if(!new RegExp(`${it}\\+`).test(e))return e;let t=[],r=null,s=null,n="",o=0,a;for(we.lastIndex=0;a=we.exec(e);){let{0:i,index:c,groups:{qBase:u,qMod:p,invalidQ:h}}=a;if(i==="[")o||(s=c),o++;else if(i==="]")o?o--:s=null;else if(!o)if(p==="+"&&n&&!n.startsWith("(")){if(h)throw new Error(`Invalid quantifier "${i}"`);let C=-1;if(/^\{\d+\}$/.test(u))e=st(e,c+u.length,p,"");else{if(n===")"||n==="]"){let d=n===")"?r:s;if(d===null)throw new Error(`Invalid unmatched "${n}"`);e=`${e.slice(0,d)}(?>${e.slice(d,c)}${u})${e.slice(c+i.length)}`}else e=`${e.slice(0,c-n.length)}(?>${n}${u})${e.slice(c+i.length)}`;C+=4}we.lastIndex+=C}else i[0]==="("?t.push(c):i===")"&&(r=t.length?t.pop():null);n=i}return e}var gt=String.raw`\\g<(?<gRName>[^>&]+)&R=(?<gRDepth>\d+)>`,Ae=String.raw`\(\?R=(?<rDepth>\d+)\)|${gt}`,Se=String.raw`\(\?<(?![=!])(?<captureName>[^>]+)>`,ee=new RegExp(String.raw`${Se}|${Ae}|\\?.`,"gsu");function ht(e){if(!B(e,Ae,b.DEFAULT))return e;if(B(e,String.raw`\\[1-9]`,b.DEFAULT))throw new Error("Numbered backrefs cannot be used with recursion; use named backref");if(B(e,String.raw`\(\?\(DEFINE\)`,b.DEFAULT))throw new Error("DEFINE groups cannot be used with recursion");let t=new Map,r=0,s;for(ee.lastIndex=0;s=ee.exec(e);){let{0:n,groups:{captureName:o,rDepth:a,gRName:i,gRDepth:c}}=s;if(n==="[")r++;else if(r)n==="]"&&r--;else if(o)t.set(o,ee.lastIndex);else if(a){let u=+a;ut(u);let p=e.slice(0,s.index),h=e.slice(ee.lastIndex);return lt(h),pt(p,h,u,!1)}else if(i){let u=+c;ut(u);let p=`Recursion via \\g<${i}&R=${c}> must be used within the referenced group`;if(!t.has(i))throw new Error(p);let h=t.get(i),C=et(e,h);if(!B(C,gt,b.DEFAULT))throw new Error(p);let d=e.slice(h,s.index),w=C.slice(d.length+n.length);return lt(w),e.slice(0,h)+pt(d,w,u,!0)+e.slice(h+C.length)}}throw new Error("Unexpected error; recursion was not processed")}function ut(e){if(e<2||e>100)throw new Error(`Max depth must be between 2 and 100; used ${e}`)}function lt(e){if(B(e,Ae,b.DEFAULT))throw new Error("Recursion can only be used once per regex")}function pt(e,t,r,s){let n=new Set;s&&me(e+t,Se,({groups:{captureName:a}})=>{n.add(a)},b.DEFAULT);let o=r-1;return`${e}${ft(`(?:${e}`,o,s?n:null)}(?:)${ft(`${t})`,o,s?n:null,"backward")}${t}`}function ft(e,t,r,s="forward"){let o=i=>s==="backward"?t-i+2-1:i+2,a="";for(let i=0;i<t;i++){let c=o(i);a+=M(e,String.raw`${Se}|\\k<(?<backref>[^>]+)>`,({0:u,groups:{captureName:p,backref:h}})=>{if(h&&r&&!r.has(h))return u;let C=`_$${c}`;return p?`(?<${p}${C}>`:`\\k<${h}${C}>`},b.DEFAULT)}return a}function _e(e,t,r){let s=Ce(r),n=U(e,t),o=G(n,{optimize:s.optimize}),a=Y(o,{allowBestEffort:s.allowBestEffort,bestEffortTarget:s.target}),i=Je(a,s);return{pattern:ot(ct(ht(i.pattern))),flags:`${i.flags}${i.options.disable.v?"u":"v"}`}}function Ce(e){if(e?.target!==void 0&&!Q[e.target])throw new Error(`Unexpected target "${e.target}"`);return{allowBestEffort:!0,maxRecursionDepth:6,optimize:!0,target:"ES2024",...e}}function dt(e,t){return G(U(e,t))}function Pr(e,t){return Y(dt(e,t))}function Tr(e,t="",r){let s=t.replace(/[^dg]+/g,"");t=t.replace(/[dg]+/g,"");let n=_e(e,t,r);return new RegExp(n.pattern,`${s}${n.flags}`)}return St(Lr);})();
+`.replace(/\s+/g,""),"gsu");function ct(e){if(!new RegExp(`${it}\\+`).test(e))return e;let t=[],r=null,s=null,n="",o=0,a;for(we.lastIndex=0;a=we.exec(e);){let{0:i,index:c,groups:{qBase:u,qMod:p,invalidQ:h}}=a;if(i==="[")o||(s=c),o++;else if(i==="]")o?o--:s=null;else if(!o)if(p==="+"&&n&&!n.startsWith("(")){if(h)throw new Error(`Invalid quantifier "${i}"`);let C=-1;if(/^\{\d+\}$/.test(u))e=st(e,c+u.length,p,"");else{if(n===")"||n==="]"){let d=n===")"?r:s;if(d===null)throw new Error(`Invalid unmatched "${n}"`);e=`${e.slice(0,d)}(?>${e.slice(d,c)}${u})${e.slice(c+i.length)}`}else e=`${e.slice(0,c-n.length)}(?>${n}${u})${e.slice(c+i.length)}`;C+=4}we.lastIndex+=C}else i[0]==="("?t.push(c):i===")"&&(r=t.length?t.pop():null);n=i}return e}var gt=String.raw`\\g<(?<gRName>[^>&]+)&R=(?<gRDepth>\d+)>`,Se=String.raw`\(\?R=(?<rDepth>\d+)\)|${gt}`,Ae=String.raw`\(\?<(?![=!])(?<captureName>[^>]+)>`,ee=new RegExp(String.raw`${Ae}|${Se}|\\?.`,"gsu");function ht(e){if(!B(e,Se,b.DEFAULT))return e;if(B(e,String.raw`\\[1-9]`,b.DEFAULT))throw new Error("Numbered backrefs cannot be used with recursion; use named backref");if(B(e,String.raw`\(\?\(DEFINE\)`,b.DEFAULT))throw new Error("DEFINE groups cannot be used with recursion");let t=new Map,r=0,s;for(ee.lastIndex=0;s=ee.exec(e);){let{0:n,groups:{captureName:o,rDepth:a,gRName:i,gRDepth:c}}=s;if(n==="[")r++;else if(r)n==="]"&&r--;else if(o)t.set(o,ee.lastIndex);else if(a){let u=+a;ut(u);let p=e.slice(0,s.index),h=e.slice(ee.lastIndex);return lt(h),pt(p,h,u,!1)}else if(i){let u=+c;ut(u);let p=`Recursion via \\g<${i}&R=${c}> must be used within the referenced group`;if(!t.has(i))throw new Error(p);let h=t.get(i),C=et(e,h);if(!B(C,gt,b.DEFAULT))throw new Error(p);let d=e.slice(h,s.index),w=C.slice(d.length+n.length);return lt(w),e.slice(0,h)+pt(d,w,u,!0)+e.slice(h+C.length)}}throw new Error("Unexpected error; recursion was not processed")}function ut(e){if(e<2||e>100)throw new Error(`Max depth must be between 2 and 100; used ${e}`)}function lt(e){if(B(e,Se,b.DEFAULT))throw new Error("Recursion can only be used once per regex")}function pt(e,t,r,s){let n=new Set;s&&me(e+t,Ae,({groups:{captureName:a}})=>{n.add(a)},b.DEFAULT);let o=r-1;return`${e}${ft(`(?:${e}`,o,s?n:null)}(?:)${ft(`${t})`,o,s?n:null,"backward")}${t}`}function ft(e,t,r,s="forward"){let o=i=>s==="backward"?t-i+2-1:i+2,a="";for(let i=0;i<t;i++){let c=o(i);a+=M(e,String.raw`${Ae}|\\k<(?<backref>[^>]+)>`,({0:u,groups:{captureName:p,backref:h}})=>{if(h&&r&&!r.has(h))return u;let C=`_$${c}`;return p?`(?<${p}${C}>`:`\\k<${h}${C}>`},b.DEFAULT)}return a}function _e(e,t,r){let s=Ce(r),n=U(e,t),o=G(n,{optimize:s.optimize}),a=Y(o,{allowBestEffort:s.allowBestEffort,bestEffortTarget:s.target}),i=Je(a,s);return{pattern:ot(ct(ht(i.pattern))),flags:`${i.flags}${i.options.disable.v?"u":"v"}`}}function Ce(e){if(e?.target!==void 0&&!Q[e.target])throw new Error(`Unexpected target "${e.target}"`);return{allowBestEffort:!0,maxRecursionDepth:6,optimize:!0,target:"ES2024",...e}}function dt(e,t){return G(U(e,t))}function Pr(e,t){return Y(dt(e,t))}function Tr(e,t="",r){let s=t.replace(/[^dg]+/g,"");t=t.replace(/[dg]+/g,"");let n=_e(e,t,r);return new RegExp(n.pattern,`${s}${n.flags}`)}return At(Lr);})();
 //# sourceMappingURL=index.min.js.map
diff --git a/spec/compile.spec.js b/spec/compile.spec.js
index 3172e07..77da3d1 100644
--- a/spec/compile.spec.js
+++ b/spec/compile.spec.js
@@ -2,28 +2,50 @@ import {compile} from '../dist/index.mjs';
 
 describe('compile', () => {
   it('should return an object with pattern and flags properties', () => {
-    expect(Object.keys(compile('a'))).toEqual(['pattern', 'flags']);
+    expect(Object.keys(compile(''))).toEqual(['pattern', 'flags']);
   });
 
-  it('should return an empty pattern string if given an empty string', () => {
+  it('should throw for non-string pattern', () => {
+    expect(() => compile()).toThrow();
+    for (const value of [undefined, null, 0, false, [], {}, /(?:)/]) {
+      expect(() => compile(value)).toThrow();
+    }
+  });
+
+  it('should return an empty pattern if given an empty string', () => {
     expect(compile('').pattern).toBe('');
   });
 
-  it('should accept supported flags', () => {
-    const compiled = compile('', 'imx');
-    expect(compiled.flags).toContain('i');
-    expect(compiled.flags).toContain('s');
-    expect(compiled.flags).toContain('v');
-    // TODO: More specs
+  it('should accept and translate supported flags', () => {
+    expect(compile('', 'i').flags).toContain('i');
+    expect(compile('', 'm').flags).toContain('s');
+    expect(compile('', 'm').flags).not.toContain('m');
+    expect(compile('', 'x').flags).not.toContain('x');
+  });
+
+  it('should throw for unexpected flags', () => {
+    expect(() => compile('', 'd')).toThrow();
+    expect(() => compile('', 'g')).toThrow();
+    expect(() => compile('', 's')).toThrow();
+    expect(() => compile('', 'u')).toThrow();
+    expect(() => compile('', 'v')).toThrow();
+    expect(() => compile('', 'y')).toThrow();
+  });
+
+  it('should add flag v if target unspecified', () => {
+    expect(compile('').flags).toBe('v');
+  });
+
+  it('should add flag v for target ES2024+', () => {
+    expect(compile('', '', {target: 'ES2024'}).flags).toBe('v');
+    expect(compile('', '', {target: 'ESNext'}).flags).toBe('v');
   });
 
-  it('should accept supported targets', () => {
-    expect(compile('', '', {target: 'ES2018'})).toEqual({pattern: '', flags: 'u'});
-    expect(compile('', '', {target: 'ES2024'})).toEqual({pattern: '', flags: 'v'});
-    expect(compile('', '', {target: 'ESNext'})).toEqual({pattern: '', flags: 'v'});
+  it('should add flag u for target ES2018', () => {
+    expect(compile('', '', {target: 'ES2018'}).flags).toBe('u');
   });
 
-  it('should throw for unsupported targets', () => {
+  it('should throw for unexpected targets', () => {
     expect(() => compile('', '', {target: 'ES6'})).toThrow();
     expect(() => compile('', '', {target: 'ES2019'})).toThrow();
   });
diff --git a/spec/match-recursion.spec.js b/spec/match-recursion.spec.js
index c82cc77..2243143 100644
--- a/spec/match-recursion.spec.js
+++ b/spec/match-recursion.spec.js
@@ -7,14 +7,30 @@ beforeEach(() => {
 });
 
 describe('Recursion', () => {
+  it('should throw if recursion used with allowBestEffort false', () => {
+    expect(() => compile(r`a\g<0>?`, '', {allowBestEffort: false})).toThrow();
+    expect(() => compile('', '', {allowBestEffort: false})).not.toThrow();
+  });
+
+  it('should throw if recursion used with maxRecursionDepth null', () => {
+    expect(() => compile(r`a\g<0>?`, '', {maxRecursionDepth: null})).toThrow();
+    expect(() => compile('', '', {maxRecursionDepth: null})).not.toThrow();
+  });
+
+  it('should throw if maxRecursionDepth is not null or a positive-integer in range 2-100', () => {
+    for (const value of [-2, 0, 1, 2.5, 101, Infinity, '2', '', undefined, NaN, false, [], {}]) {
+      expect(() => compile('', '', {maxRecursionDepth: value})).toThrow();
+    }
+  });
+
   describe('global', () => {
-    it('should match an equal number of two different subpatterns', () => {
+    it('should match direct recursion', () => {
+      // Match an equal number of two different subpatterns
       expect('aaabbb').toExactlyMatch(r`a\g<0>?b`);
       expect('test aaaaaabbb').toFindMatch(r`a\g<0>?b`);
       expect('aaabbb').toExactlyMatch(r`(?<n>a\g<0>?b)`);
-    });
 
-    it('should match balanced brackets', () => {
+      // Match balanced brackets
       const pattern = r`<(?:[^<>]|\g<0>)*>`;
       expect([
         '<>', '<<>>', '<a<b<c>d>e>', '<<<<<<a>>>bc>>>',
@@ -24,7 +40,7 @@ describe('Recursion', () => {
       ).toEqual(['<balanced <<brackets>>>', '<>', '<<a>>', '<b>']);
     });
 
-    it('should throw for multiple overlapping recursions', () => {
+    it('should throw for multiple direct, overlapping recursions', () => {
       expect(() => compile(r`a\g<0>?\g<0>?`)).toThrow();
     });
 
@@ -42,20 +58,21 @@ describe('Recursion', () => {
   });
 
   describe('relative numbered', () => {
-    it('should throw for relative 0', () => {
-      expect(() => compile(r`a\g<-0>?`)).toThrow();
-      expect(() => compile(r`a\g<+0>?`)).toThrow();
-    });
-
     // Current limitation of `regex-recursion`
     it('should throw for recursion by number', () => {
       expect(() => compile(r`(a\g<-1>?)`)).toThrow();
       expect(() => compile(r`(a\g<+1>(\g<-2>?))`)).toThrow();
     });
+
+    it('should throw for relative 0', () => {
+      expect(() => compile(r`a\g<-0>?`)).toThrow();
+      expect(() => compile(r`a\g<+0>?`)).toThrow();
+    });
   });
 
   describe('named', () => {
-    it('should match an equal number of two different subpatterns', () => {
+    it('should match direct recursion', () => {
+      // Match an equal number of two different subpatterns as the entire string
       expect('aaabbb').toExactlyMatch(r`\A(?<r>a\g<r>?b)\z`);
       expect('aaabb').not.toFindMatch(r`\A(?<r>a\g<r>?b)\z`);
     });
@@ -67,7 +84,7 @@ describe('Recursion', () => {
 
     // Current limitation of `regex-recursion`
     it('should throw for multiple direct, non-overlapping recursions', () => {
-      // TODO: `regex-recursion` has a bug so using `toRegExp` instead of `compile`
+      // TODO: `regex-recursion` has a bug and lets invalid JS syntax through so using `toRegExp` instead of `compile`
       expect(() => toRegExp(r`(?<r1>a\g<r1>?)(?<r2>a\g<r2>?)`)).toThrow();
     });
 
diff --git a/src/generate.js b/src/generate.js
index a50b94a..21d4f57 100644
--- a/src/generate.js
+++ b/src/generate.js
@@ -130,7 +130,6 @@ function generate(ast, options) {
     result.options.disable.v = true;
     result.options.unicodeSetsPlugin = null;
   }
-  // TODO: Include `metadata` (add to type) about use of atomic groups, possessive quantifiers, and recursion, so those plugins can be skipped if not needed
   return result;
 }
 
diff --git a/src/index.js b/src/index.js
index fa7f2ba..c4ff98d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -37,7 +37,7 @@ function toRegexAst(pattern, flags) {
 }
 
 /**
-Transpiles an Oniguruma regex pattern and flags to a native JS RegExp.
+Transpiles an Oniguruma regex pattern and flags and returns a native JS RegExp.
 @param {string} pattern Oniguruma regex pattern.
 @param {string} [flags] Any combination of Oniguruma flags `imx` and JS flags `dg`. Flag `m` is
   equivalent to JS's flag `s`.
diff --git a/src/tokenize.js b/src/tokenize.js
index 1ca9b2a..b4fc623 100644
--- a/src/tokenize.js
+++ b/src/tokenize.js
@@ -126,6 +126,9 @@ const charClassTokenRe = new RegExp(r`
 @returns {TokenizerResult}
 */
 function tokenize(pattern, flags = '') {
+  if (typeof pattern !== 'string') {
+    throw new Error('String expected as pattern');
+  }
   if (!/^[imx]*$/.test(flags)) {
     throw new Error(`Flags "${flags}" unsupported in Oniguruma`);
   }