Regex - convert from underscore to camel case notation

To convert from underscore to camel case notation we can use below regex.

xxxxxxxxxx

Regex:

_([a-z0-9])

​

Replace with:

\U$1

​

// BEFORE:

db_column_name

​

// AFTER:

dbColumnName

Tested with notepad++.

Notes:

• ensure to have 'Regular expression' radio button checked.

Motivation:
     Why I like to use it?

• Because I don't need to convert SQL field names manually and it saves my time.
• I usually use it to when creating java entity and need to convert more then 3 fields from mysql underscore notation (really handy).

Screenshot before:

Screenshot after:

xxxxxxxxxx

// BEFORE:

picture_id

picture_hash_id

picture_filename

user_id

picture_upload_time

​

// AFTER:

pictureId

pictureHashId

pictureFilename

userId

pictureUploadTime

1. Regex - convert from camel case notation to underscore