diff --git a/src/utils/convertToCsv.spec.ts b/src/utils/convertToCsv.spec.ts
index b6e48bd..8a56335 100644
--- a/src/utils/convertToCsv.spec.ts
+++ b/src/utils/convertToCsv.spec.ts
@@ -8,7 +8,7 @@ describe('convertToCsv', () => {
       { foo: 'asd', bar: `'qwert'` }
     ]
 
-    const expectedOutput = `foo:$5. bar:$7.\r\n"'bar'",abc\r\nsadf,def\r\nasd,"'qwert'"`
+    const expectedOutput = `foo:$char5. bar:$char7.\r\n"'bar'",abc\r\nsadf,def\r\nasd,"'qwert'"`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -20,7 +20,7 @@ describe('convertToCsv', () => {
       { foo: 'asd', bar: `"qwert"` }
     ]
 
-    const expectedOutput = `foo:$5. bar:$7.\r\n"""bar""",abc\r\nsadf,def\r\nasd,"""qwert"""`
+    const expectedOutput = `foo:$char5. bar:$char7.\r\n"""bar""",abc\r\nsadf,def\r\nasd,"""qwert"""`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -28,7 +28,7 @@ describe('convertToCsv', () => {
   it('should convert values with mixed quotes', () => {
     const data = [{ foo: `'blah'`, bar: `"blah"` }]
 
-    const expectedOutput = `foo:$6. bar:$6.\r\n"'blah'","""blah"""`
+    const expectedOutput = `foo:$char6. bar:$char6.\r\n"'blah'","""blah"""`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -36,7 +36,7 @@ describe('convertToCsv', () => {
   it('should convert values with mixed quotes', () => {
     const data = [{ foo: `'blah,"'`, bar: `"blah,blah" "` }]
 
-    const expectedOutput = `foo:$8. bar:$13.\r\n"'blah,""'","""blah,blah"" """`
+    const expectedOutput = `foo:$char8. bar:$char13.\r\n"'blah,""'","""blah,blah"" """`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -44,7 +44,7 @@ describe('convertToCsv', () => {
   it('should convert values with mixed quotes', () => {
     const data = [{ foo: `',''`, bar: `","` }]
 
-    const expectedOutput = `foo:$4. bar:$3.\r\n"',''",""","""`
+    const expectedOutput = `foo:$char4. bar:$char3.\r\n"',''",""","""`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -52,7 +52,7 @@ describe('convertToCsv', () => {
   it('should convert values with mixed quotes', () => {
     const data = [{ foo: `','`, bar: `,"` }]
 
-    const expectedOutput = `foo:$3. bar:$2.\r\n"','",","""`
+    const expectedOutput = `foo:$char3. bar:$char2.\r\n"','",","""`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -60,7 +60,7 @@ describe('convertToCsv', () => {
   it('should convert values with mixed quotes', () => {
     const data = [{ foo: `"`, bar: `'` }]
 
-    const expectedOutput = `foo:$1. bar:$1.\r\n"""","'"`
+    const expectedOutput = `foo:$char1. bar:$char1.\r\n"""","'"`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -68,7 +68,7 @@ describe('convertToCsv', () => {
   it('should convert values with mixed quotes', () => {
     const data = [{ foo: `,`, bar: `',` }]
 
-    const expectedOutput = `foo:$1. bar:$2.\r\n",","',"`
+    const expectedOutput = `foo:$char1. bar:$char2.\r\n",","',"`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -82,7 +82,7 @@ describe('convertToCsv', () => {
       { col1: 42, col2: null, col3: 'x', col4: '' }
     ]
 
-    const expectedOutput = `col1:best. col2:best. col3:$1. col4:$1.\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,`
+    const expectedOutput = `col1:best. col2:best. col3:$char1. col4:$char1.\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
@@ -96,28 +96,28 @@ describe('convertToCsv', () => {
       { col1: 42, col2: 1.62, col3: 'x', col4: 'x' }
     ]
 
-    const expectedOutput = `col1:best. col2:best. col3:$1. col4:$1.\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,\r\n42,1.62,x,x\r\n42,1.62,x,x`
+    const expectedOutput = `col1:best. col2:best. col3:$char1. col4:$char1.\r\n42,.,x,\r\n42,.,x,\r\n42,.,x,\r\n42,1.62,x,x\r\n42,1.62,x,x`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
   })
 
   it('should convert values with common special characters', () => {
-    expect(convertToCSV([{ tab: '\t' }])).toEqual(`tab:$1.\r\n\"\t\"`)
-    expect(convertToCSV([{ lf: '\n' }])).toEqual(`lf:$1.\r\n\"\n\"`)
+    expect(convertToCSV([{ tab: '\t' }])).toEqual(`tab:$char1.\r\n\"\t\"`)
+    expect(convertToCSV([{ lf: '\n' }])).toEqual(`lf:$char1.\r\n\"\n\"`)
     expect(convertToCSV([{ semicolon: ';semi' }])).toEqual(
-      `semicolon:$5.\r\n;semi`
+      `semicolon:$char5.\r\n;semi`
     )
-    expect(convertToCSV([{ percent: '%' }])).toEqual(`percent:$1.\r\n%`)
+    expect(convertToCSV([{ percent: '%' }])).toEqual(`percent:$char1.\r\n%`)
     expect(convertToCSV([{ singleQuote: "'" }])).toEqual(
-      `singleQuote:$1.\r\n\"'\"`
+      `singleQuote:$char1.\r\n\"'\"`
     )
     expect(convertToCSV([{ doubleQuote: '"' }])).toEqual(
-      `doubleQuote:$1.\r\n""""`
+      `doubleQuote:$char1.\r\n""""`
     )
-    expect(convertToCSV([{ crlf: '\r\n' }])).toEqual(`crlf:$2.\r\n\"\n\"`)
-    expect(convertToCSV([{ euro: '€euro' }])).toEqual(`euro:$7.\r\n€euro`)
+    expect(convertToCSV([{ crlf: '\r\n' }])).toEqual(`crlf:$char2.\r\n\"\n\"`)
+    expect(convertToCSV([{ euro: '€euro' }])).toEqual(`euro:$char7.\r\n€euro`)
     expect(convertToCSV([{ banghash: '!#banghash' }])).toEqual(
-      `banghash:$10.\r\n!#banghash`
+      `banghash:$char10.\r\n!#banghash`
     )
   })
 
@@ -138,31 +138,33 @@ describe('convertToCsv', () => {
       }
     ]
 
-    const expectedOutput = `speech0:$7. pct:$8. speech:$7. slash:$6. slashWithSpecial:$7. macvar:$10. chinese:$14. sigma:$7. at:$3. serbian:$12. dollar:$1.\r\n"""speech",%percent,"""speech",\\slash,\"\\\tslash\",&sysuserid,传/傳chinese,Σsigma,@at,Српски,$`
+    const expectedOutput = `speech0:$char7. pct:$char8. speech:$char7. slash:$char6. slashWithSpecial:$char7. macvar:$char10. chinese:$char14. sigma:$char7. at:$char3. serbian:$char12. dollar:$char1.\r\n"""speech",%percent,"""speech",\\slash,\"\\\tslash\",&sysuserid,传/傳chinese,Σsigma,@at,Српски,$`
 
     expect(convertToCSV(data)).toEqual(expectedOutput)
 
-    expect(convertToCSV([{ speech: 'menext' }])).toEqual(`speech:$6.\r\nmenext`)
+    expect(convertToCSV([{ speech: 'menext' }])).toEqual(
+      `speech:$char6.\r\nmenext`
+    )
     expect(convertToCSV([{ speech: 'me\nnext' }])).toEqual(
-      `speech:$7.\r\n\"me\nnext\"`
+      `speech:$char7.\r\n\"me\nnext\"`
     )
     expect(convertToCSV([{ speech: `me'next` }])).toEqual(
-      `speech:$7.\r\n\"me'next\"`
+      `speech:$char7.\r\n\"me'next\"`
     )
     expect(convertToCSV([{ speech: `me"next` }])).toEqual(
-      `speech:$7.\r\n\"me""next\"`
+      `speech:$char7.\r\n\"me""next\"`
     )
     expect(convertToCSV([{ speech: `me""next` }])).toEqual(
-      `speech:$8.\r\n\"me""""next\"`
+      `speech:$char8.\r\n\"me""""next\"`
     )
     expect(convertToCSV([{ slashWithSpecial: '\\\tslash' }])).toEqual(
-      `slashWithSpecial:$7.\r\n\"\\\tslash\"`
+      `slashWithSpecial:$char7.\r\n\"\\\tslash\"`
     )
     expect(convertToCSV([{ slashWithSpecial: '\\ \tslash' }])).toEqual(
-      `slashWithSpecial:$8.\r\n\"\\ \tslash\"`
+      `slashWithSpecial:$char8.\r\n\"\\ \tslash\"`
     )
     expect(
       convertToCSV([{ slashWithSpecialExtra: '\\\ts\tl\ta\ts\t\th\t' }])
-    ).toEqual(`slashWithSpecialExtra:$13.\r\n\"\\\ts\tl\ta\ts\t\th\t\"`)
+    ).toEqual(`slashWithSpecialExtra:$char13.\r\n\"\\\ts\tl\ta\ts\t\th\t\"`)
   })
 })