⏎ Lint Rules

noMultipleSpacesInRegularExpressionLiterals (since v0.7.0)

This rule is recommended by Rome.

Disallow unclear usage of multiple space characters in regular expression literals

Examples

Invalid

/   /

correctness/noMultipleSpacesInRegularExpressionLiterals.js:1:2 lint/correctness/noMultipleSpacesInRegularExpressionLiterals  FIXABLE  ━━━━━━━━━━

  ✖ This regular expression contains unclear uses of multiple spaces.
  
  > 1 │ /   /
      │  ^^^
    2 │ 
  
  ℹ Suggested fix: It's hard to visually count the amount of spaces, it's clearer if you use a quantifier instead. eg / {3}/
  
    1   │ - /···/
      1 │ + /·{3}/
    2 2 │   
  

/  foo/

correctness/noMultipleSpacesInRegularExpressionLiterals.js:1:2 lint/correctness/noMultipleSpacesInRegularExpressionLiterals  FIXABLE  ━━━━━━━━━━

  ✖ This regular expression contains unclear uses of multiple spaces.
  
  > 1 │ /  foo/
      │  ^^
    2 │ 
  
  ℹ Suggested fix: It's hard to visually count the amount of spaces, it's clearer if you use a quantifier instead. eg / {2}/
  
    1   │ - /··foo/
      1 │ + /·{2}foo/
    2 2 │   
  

/foo   /

correctness/noMultipleSpacesInRegularExpressionLiterals.js:1:5 lint/correctness/noMultipleSpacesInRegularExpressionLiterals  FIXABLE  ━━━━━━━━━━

  ✖ This regular expression contains unclear uses of multiple spaces.
  
  > 1 │ /foo   /
      │     ^^^
    2 │ 
  
  ℹ Suggested fix: It's hard to visually count the amount of spaces, it's clearer if you use a quantifier instead. eg / {3}/
  
    1   │ - /foo···/
      1 │ + /foo·{3}/
    2 2 │   
  

/foo  bar/

correctness/noMultipleSpacesInRegularExpressionLiterals.js:1:5 lint/correctness/noMultipleSpacesInRegularExpressionLiterals  FIXABLE  ━━━━━━━━━━

  ✖ This regular expression contains unclear uses of multiple spaces.
  
  > 1 │ /foo  bar/
      │     ^^
    2 │ 
  
  ℹ Suggested fix: It's hard to visually count the amount of spaces, it's clearer if you use a quantifier instead. eg / {2}/
  
    1   │ - /foo··bar/
      1 │ + /foo·{2}bar/
    2 2 │   
  

/foo   bar    baz/

correctness/noMultipleSpacesInRegularExpressionLiterals.js:1:5 lint/correctness/noMultipleSpacesInRegularExpressionLiterals  FIXABLE  ━━━━━━━━━━

  ✖ This regular expression contains unclear uses of multiple spaces.
  
  > 1 │ /foo   bar    baz/
      │     ^^^^^^^^^^
    2 │ 
  
  ℹ Suggested fix: It's hard to visually count the amount of spaces, it's clearer if you use a quantifier instead. eg / {7}/
  
    1   │ - /foo···bar····baz/
      1 │ + /foo·{3}bar·{4}baz/
    2 2 │   
  

/foo [ba]r  b(a|z)/

correctness/noMultipleSpacesInRegularExpressionLiterals.js:1:11 lint/correctness/noMultipleSpacesInRegularExpressionLiterals  FIXABLE  ━━━━━━━━━━

  ✖ This regular expression contains unclear uses of multiple spaces.
  
  > 1 │ /foo [ba]r  b(a|z)/
      │           ^^
    2 │ 
  
  ℹ Suggested fix: It's hard to visually count the amount of spaces, it's clearer if you use a quantifier instead. eg / {2}/
  
    1   │ - /foo·[ba]r··b(a|z)/
      1 │ + /foo·[ba]r·{2}b(a|z)/
    2 2 │   
  

Valid

/foo {2}bar/

/foo bar baz/

/foo bar	baz/

/foo /