• *grouping_word Function
• *grouping_word_inside Function
• a5_csweb_to_list Function
• a5_extractoddata Function
• a5_get_pos_linestart Function
• a5_modeless_textencoder Function
• expandtablefiletypes Function
• EXTRACT_STRING Function
• getstringfromfile Function
• LASTWORD Function
• LEADING Function
• LEFT Function
• left_u Function
• rat_u Function
• regex_literal_extract Function
• regex_literal_mask_get Function
• right_u Function
• SUBSTR Function
• substr_u Function
• TRAILING Function
• WORD2 Function
• WORD_IN_COMMON Function
• WORD_IN_COMMON_C Function
• WORD_UNIQUE Function
• WORD_UNIQUE_C Function

regex_literal_mask_get Function

Syntax

Arguments

RegEx

Regular expression

PlaceHolder

Placeholder to plug in the dynamic parts of a regular expression.

options

Options for matching - only option at this point is '+' to expand ranges, which are normally collapsed.

Description

Get the literal characters from a regular expression - puts in optional placeholder for characters. The purpose is to extract out the parts of a regular expression which could be considered parts of a 'template'.

The purpose of this function is to allow regular expressions brought in to be converted to input templates.

Example

? regex_literal_mask_get("hello (a-z+) what a (a-z+) day","{tag}","+")
= "hello {tag} what a {tag} day"

' A regex pattern that resembles a phone number - note that there is one placeholder per dynamic run
? regex_literal_mask_get("[0-9]-\([0-9]{1,3}\) [0-9]{1,3} [0-9]{1,4}","{digit}","")
= "{digit}-({digit}) {digit} {digit}"

' The same pattern, but with a placholder for the maxed out range.
? regex_literal_mask_get("[0-9]-\([0-9]{1,3}\) [0-9]{1,3} [0-9]{1,4}","{digit}","+")
= "{digit}-({digit}{digit}{digit}) {digit}{digit}{digit} {digit}{digit}{digit}{digit}"

See Also

• Character Extraction Functions