User:ArrowHead294/Regex snippets
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These are some regular expressions I use for formatting purposes:
| Pattern | Replace by | Purpose |
|---|---|---|
^(?:\+|-|\x{2212})?(?:(?:\d{1,3}?(?:\,\d{3})*|\d+)\.?\d*|\d*\.?\d+)(?:[Ee][+-]?\d+)?$
|
N/A | Match a number |
(?<=\n)(=+)\s*((?:[^\s=]+\s*)+[^\s=])\s*(=+)or (?<=\n)(\=+)\s*((?:[^\s\=]+\s*)+[^\s\=])\s*(\=+)
|
$1 $2 $3
|
Space out equals signs for section headers* |
(?<=\n)(\||!)(?!-)[^\S\r\n]*(?!\})
|
$1
|
Space out pipe characters and header separators in tables (one cell per line)* |
(?<=\n)(\||!)[^\S\r\n]*\|?[^\S\r\n]*(?!-|\})
|
Replace ! | and | | with ! and | , respectively
| |
(\d+[Ll])\s*(\d+[Ss])
|
$1 $2
|
Make sure xL ys notation for MOS scales are non-wrapped |
(?<!(?:<(\w+-)*\w+>[^\n]*(?=<\/(\w+-)*\w+>)|\{|\}))[^\S\r\n]*(\|\|\|?|!!!?)[^\S\r\n]*(?!-|[^\n]*<\/(\w+-)*\w+>(?=<(\w+-)*\w+>)|\{|\})
|
$1
|
Space out pipe characters and header separators in tables (entire row per line)* |
<math>,*\s*\\frac(\d)(\d),*\s*<\/math>
|
{{frac|$1|$2}} or{{sfrac|$1|$2}}
|
Standalone fractions with single-digit numerators and denominators can be done using {{frac}} or {{sfrac}} and don't need to be TeXified
|
* Requires support for variable-width lookaheads and lookbehinds