Register bank of r0-r7 with l/h accessibility. Displacement is either a +/- decimal or symbol starting with _ or small/large letter and containing letters, numbers and _.

handles atomic and combined tenor

Take SYS_FBA_TCRV_IDX1_36953 SYS_FBA_TCRV_36953 and pull out SYS_FBA_ and _36963

Take a tab name and change invalid characters and squeezing them into a single space character. The character class Plus \x5C (backslash or «Reverse Solidus»), \x00 (Null), \x03 (Ctrl-C), and \x27 (Apostrophe)...

Grabs all but last SVN keyword. Uses "," as delimiter (need to get rid of (Wed 26 Aug 2018) first) PL/SQL: Unit: ZIP_UTIL_PKG, type: PACKAGE BODY. Code Type: NATIVE. SVN: File date: $Date: 2019-08-26 10:28:11 -0500 $, Revision: $Revision: 18213 $, $Author: mark.s $.

Take SYS_FBA_TCRV_IDX1_36953 SYS_FBA_TCRV_36953 and pull out SYS_FBA_ and _36963

It captures the ESIC number explained which format is explained here https://www.quora.com/How-is-the-format-of-the-ESIC-code.

matches the format of EPF number. For further details visit here https://www.bankbazaar.com/saving-schemes/all-about-the-employee-pf-account-number.html#format

NSW is different to other states (see red text)

To remove @recipient and other funny characters

A variety of BEM flavoured regex.

Matches a string of digits between 0 and 255.

Matches a string of digits between 0 and 255.