Takes a JSON string and captures interesting information in the named capturing groups: (o: last object, a: last array, s: last string, n: last number, c: last comma before optional whitespace, d: same as c, but with a colon instead of a comma, v: last value)

matches the exact fields of CSV files supports: qouted fields quoted fields containing commas, doubble quoutes, and newlines empty fields empty records arbitrary white space in, and outside quoted fields

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Validate an ivoice number with the last two digit as last 2 year digit

Matches all the RGB colors in the format #RRGGBB and #RGB

How to match the first line of a xml document

Will find lines that end with "/*.config"

This regex matches "bob" but does not match "abob", "bobb" or "cbobd" while it does match "cbob" and "bobd". Here "bob" is the dirty word and "abob", "bobb" and "cbobd" are safe phrases

Matches current mobile telephone numbers in Spain.

Matches current mobile phone numbers in Italy

Find Telephone

Trying to capture a mac-address structure