regex101: PCRE (Legacy) Substitution Workspace

Pro

Group 1(\w+|x_[^: ]*)

1st Alternative\w+

\w+any word character, repeated at least once

2nd Alternativex_[^: ]*

x_the literal text x_ (case sensitive)

Negated Character Class[^: ]*

*matches any number of characters outside the set below:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 2( ((?!x_|\()[^:() ]*|(?:(\d*[)( -])*\d+))?)?

?repeats the group contents below at most once:

the literal (32₁₀ / 40₈ / 20₁₆)

Group 3((?!x_|\()[^:() ]*|(?:(\d*[)( -])*\d+))?

?repeats the group contents below at most once:

1st Alternative(?!x_|\()[^:() ]*

Negative Lookahead(?!x_|\()

1st Alternativex_

x_the literal text x_ (case sensitive)

2nd Alternative\(

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^:() ]*

*matches any number of characters outside the set below:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

2nd Alternative(?:(\d*[)( -])*\d+)

Non-Capturing Group(?:(\d*[)( -])*\d+)

Group 4(\d*[)( -])*

*repeats the group contents below any number of times:

\d*a digit, repeated any number of times

Character Class[)( -]

)the literal ) (41₁₀ / 51₈ / 29₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

25 tokens

Regular Expression

(\w+|x_[^: ]*) ?:( ((?!x_|\()[^:() ]*|(?:(\d*[)( -])*\d+))?)? ?

New

bypass_first_page : x_company : x_cust_id : 12345 x_customer_ip : x_customer_tax_id : x_description : 98765 x_duty : x_email_customer : an_example@example.com x_fax : x_footer_email_receipt : x_fp_hash : 747ffeddfe4e106a9c67363ebff996ad x_fp_timestamp : 1525100766 x_invoice_num : R000098765 x_login : MY-LOGIN-ID x_logo_url : x_merchant_email : x_method : x_phone : (416) 555-1212 x_po_num : x_receipt_link_method : GET x_reference_3 : 1234 x_relay_response : TRUE x_relay_url :

Extraction

bypass_first_page : x_company : x_cust_id : 12345 x_customer_ip : x_customer_tax_id : x_description : 98765 x_duty : x_email_customer : an_example@example.com x_fax : x_footer_email_receipt : x_fp_hash : 747ffeddfe4e106a9c67363ebff996ad x_fp_timestamp : 1525100766 x_invoice_num : R000098765 x_login : MY-LOGIN-ID x_logo_url : x_merchant_email : x_method : x_phone : (416) 555-1212 x_po_num : x_receipt_link_method : GET x_reference_3 : 1234 x_relay_response : TRUE x_relay_url :