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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

This is a relaxed cron validation, meaning that any valid cron expression should pass this; but not anything that passes regex validation is a good cron expression. Used as preliminary validation in web ui. Supports all special characters. Includes seconds field.

Regular expression for a validating a string with following rules: at least one lowercase letter at least one upper case letter at least one digit length between 6 and 14...

Trying to capture a mac-address structure

Recherche un email

Select from a pattern a group without some parameters