Add gsub regex example

nntrn · Apr 18, 2024 · cd87935 · cd87935
1 parent f5f1682
commit cd87935
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/_functions/text.md b/_functions/text.md
@@ -25,4 +25,26 @@ def dquote($text): "\"\($text)\"";
 
 def unsmart($text): $text | gsub("[“”]";"\"") | gsub("[’‘]";"'");
 def unsmart: . | unsmart;
+```
+
+## Cleaning up text
+
+
+Remove repeated special characters using `\\1` (such as `[[`, `{{`, `'''`)
+
+```jq
+gsub("([^\\w\\d\\s])\\1(\\1)?";"")
+```
+```console
+$ cat wikitext.txt
+{{Date table sorting|December 31}}
+[[Charlotte, North Carolina|Charlotte]] (4)
+[[North Carolina]]
+'''5'''
+
+$ jq -rR 'gsub("([^\\w\\d\\s])\\1(\\1)?";"")' gsub.txt
+Date table sorting|December 31
+Charlotte, North Carolina|Charlotte (4)
+North Carolina
+5
 ```