Regular expression with named groups for email addresses

match ip address

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For example, when it is needed to match the string "Tarzan" (without the quotes), in "Tarzan and Jane", and "Jane and Tarzan", but not in "Tarzan" (with the quotes). The wanted string is in Group 1.

Get the Path, Leave the File

Pattern to match ukulele chords, wrapped in square brackets. Examples: [G] [Em] [Dsus2] [Bb] [Ab7sus4]

This one allows to begin with a digit, however, sometimes e-mail should begin with an *English letter *