Other elements

Transformation of various elements (e.g. URLs, email addresses) from their original format into XML elements may be obtained by using specific regular expressions in conjunction with with script [s5.17]. As noted in the volume

¹CATLISM, 287

while more efficient and safer options exist (i.e. the use of the lxml module to modify an existing XML file to avoid the deletion of elements that may result in a malformed structure), the advantage of this strategy is that it can be applied to any type of file (.txt, .csv, .xml, .json, etc.) and adapted to transform [any element] into any required syntax ^{1 1}CATLISM, 287

Each regular expression is complemented with a direct link to its respective interactive version of RegExr ([Skinner, 2022]), the tool suggested in the book for the inspection and creation of regular expressions.

²CATLISM, 289

Regular expression to capture usernames (e.g. @matteodic) ^{2 2}CATLISM, 289

Example [e5.24]

(?<=^|\s)(@[\w.]+)(?<!\.)

Inspect regular expression [e5.24] on RegExr

³CATLISM, 289

Regular expression to capture simple URLs (e.g. http://example.com and https://example.com) ^{3 3}CATLISM, 289

Example [e5.25]

http[s]?:\/\/(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\),]|(?:%[0-9a-fA-F][0-9a-fA-F]))+

Inspect regular expression [e5.25] on RegExr

⁴Adapted from https://blog.mattheworiordan.com/post/13174566389/url-regular-expression-for-links-with-or-without; CATLISM, 289

Regular expression to capture complex URLs (e.g. simple URLs plus email addresses, mailto: links, URLs with optional parameters) ^{4 4}Adapted from https://blog.mattheworiordan.com/post/13174566389/url-regular-expression-for-links-with-or-without; CATLISM, 289

Example [e5.26]

((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[.\!\/\\w]*))?)

Inspect regular expression [e5.26] on RegExr

⁵CATLISM, 289

Regular expression to capture cashtags (e.g. $EUR) ^{5 5}CATLISM, 289

Example [e5.27]

(?:^|\s)([\$]{1})(\w+)

Inspect regular expression [e5.27] on RegExr

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