User:ArrowHead294/Regex snippets: Difference between revisions
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! Replace by | ! Replace by | ||
! Purpose | ! Purpose | ||
|- | |- style="border-bottom: double; | ||
| <code><nowiki>^(?:\+|-|\x{2212})?(?:(?:\d{1,3}?(?:\,\d{3})*|\d+)\.?\d*|\d*\.?\d+)(?:[Ee][+-]?\d+)?$</nowiki></code> | | <code><nowiki>^(?:\+|-|\x{2212})?(?:(?:\d{1,3}?(?:\,\d{3})*|\d+)\.?\d*|\d*\.?\d+)(?:[Ee][+-]?\d+)?$</nowiki></code> | ||
| N/A | | N/A | ||
| Match a number | | Match a number | ||
|- | |- | ||
| <code><nowiki>(?<!(<[Nn][Oo][Ww][Ii][Kk][Ii]>[^\n]*)|\{|\})(?<=\n)\|\s*(?!-|<\/[Nn][Oo][Ww][Ii][Kk][Ii]>|\{|\})</nowiki></code> | | <code><nowiki>(?<!(<[Nn][Oo][Ww][Ii][Kk][Ii]>[^\n]*)|\{|\})(?<=\n)(\||\!)\s*(?!-|<\/[Nn][Oo][Ww][Ii][Kk][Ii]>|\{|\})</nowiki></code> | ||
| <code><nowiki> | | <code><nowiki>\1 </nowiki></code> | ||
| Space out pipe characters in tables (one cell per line)* | | Space out pipe characters and header separators in tables (one cell per line)* | ||
|- | |||
| <code><nowiki>(?<!(?:<[Nn][Oo][Ww][Ii][Kk][Ii]>[^\n]*(?=<\/[Nn][Oo][Ww][Ii][Kk][Ii]>)|\{|\}))[^\S\r\n]*(\|\|\|?|!!!?)[^\S\r\n]*(?!-|[^\n]*<\/[Nn][Oo][Ww][Ii][Kk][Ii]>(?=<\/[Nn][Oo][Ww][Ii][Kk][Ii]>)|\{|\})</nowiki></code> | |||
| <code><nowiki> \1 </nowiki></code> | |||
| Space out pipe characters and header separators in tables (entire row per line)* | |||
|} | |} | ||
<nowiki />* Requires support for variable-length lookaheads and lookbehinds | <nowiki />* Requires support for variable-length lookaheads and lookbehinds | ||
Revision as of 15:04, 4 December 2024
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 |
(?<!(<[Nn][Oo][Ww][Ii][Kk][Ii]>[^\n]*)|\{|\})(?<=\n)(\||\!)\s*(?!-|<\/[Nn][Oo][Ww][Ii][Kk][Ii]>|\{|\})
|
\1
|
Space out pipe characters and header separators in tables (one cell per line)* |
(?<!(?:<[Nn][Oo][Ww][Ii][Kk][Ii]>[^\n]*(?=<\/[Nn][Oo][Ww][Ii][Kk][Ii]>)|\{|\}))[^\S\r\n]*(\|\|\|?|!!!?)[^\S\r\n]*(?!-|[^\n]*<\/[Nn][Oo][Ww][Ii][Kk][Ii]>(?=<\/[Nn][Oo][Ww][Ii][Kk][Ii]>)|\{|\})
|
\1
|
Space out pipe characters and header separators in tables (entire row per line)* |
* Requires support for variable-length lookaheads and lookbehinds