Please enable JavaScript to use this web application.
Regular
Expressions
101
Social
Donate
Info
Regex Editor
Community Patterns
Account
Regex Quiz
Settings
Order By
Most Recent
Most upvotes
Most downvotes
Highest Score
Lowest Score
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 18,020 community submitted regex patterns...
1
Videos that start with [....]
PCRE2 (PHP >=7.3)
^.\\\[[\w\d]?]*?..{4,}$
Submitted by
pvtpyle1299
-
6 months ago
1
ICD-9-CM PCS Format
PCRE2 (PHP >=7.3)
ICD-9-CM PCS Format
Submitted by
john (jacko) Logan
-
6 months ago
1
Occurrence Codes (US Healthcare Billing)
PCRE2 (PHP >=7.3)
Possibly used in Form Locator (FL) 32-35 in the UB-04 form. The CMS write (in their R81CP document):- "Occurrence and occurrence span codes are mutually exclusive. Occurrence codes have values from 01 through 69 and A0 through L9. Occurrence span codes have values from 70 through 99 and M0 thro...
Submitted by
Richard Baxter
-
6 months ago
(Last modified 6 months ago)
1
ICD-9-CM Format
PCRE2 (PHP >=7.3)
ICD-9-CM Format
Submitted by
john (jacko) logan
-
6 months ago
1
ICD-10-CM (Clinical Modification) Codes
PCRE2 (PHP >=7.3)
The regex should match ICD-10-CM codes, including those with the optional up to 4 characters suffix used in some codes. NOTE: This regex assumes the letters can be mixed case.
Submitted by
Richard Baxter
-
6 months ago
(Last modified 6 months ago)
1
All zeros after first digit
ECMAScript (JavaScript)
Number string where only zeros follow the first digit
Submitted by
anonymous
-
6 months ago
1
Multiple Severity-Diagnostic Related Groups (MS-DRGs)
PCRE2 (PHP >=7.3)
Multiple Severity-Diagnostic Related Groups (MS-DRGs)
Submitted by
john (jacko) logan
-
6 months ago
1
Multiple Severity-Diagnostic Related Groups (MS-DRGs)
PCRE2 (PHP >=7.3)
Multiple Severity-Diagnostic Related Groups (MS-DRGs)
Submitted by
anonymous
-
6 months ago
1
FL 16 - Discharge Hour FL 17 - Patient Discharge Status
PCRE2 (PHP >=7.3)
FL 16 - Discharge Hour FL 17 - Patient Discharge Status
Submitted by
John (Jacko) Logan
-
6 months ago
1
Current Procedural Terminology (CPT) codes, incl optional modifiers
PCRE2 (PHP >=7.3)
CPT is a uniform coding system consisting of descriptive terms and identifying codes used primarily to identify medical services and procedures furnished by physicians and other health care professionals for which they bill public or private health insurance programs. It is a numeric coding system ...
Submitted by
Richard Baxter
-
6 months ago
(Last modified 6 months ago)
1
Current Procedural Terminology (CPT) codes
PCRE2 (PHP >=7.3)
CPT is a uniform coding system consisting of descriptive terms and identifying codes used primarily to identify medical services and procedures furnished by physicians and other health care professionals for which they bill public or private health insurance programs. It is a numeric coding system ...
Submitted by
Richard Baxter
-
6 months ago
(Last modified 6 months ago)
1
'Type of Bill' / 'Bill Type' FL4 (US Healthcare Billing Codes)
PCRE2 (PHP >=7.3)
Used to identify the patient's care during their hospital stay and help ensure that hospitals are reimbursed accurately for their services. A data element corresponding with UB-04 form locator FL4 that classifies the claim as to the type of facility (2nd digit), type of care (3rd digit) and the bil...
Submitted by
Richard Baxter
-
6 months ago
(Last modified 6 months ago)
1
Revenue Codes (Billing in US Healthcare)
PCRE2 (PHP >=7.3)
Revenue codes are standardized numerical codes used in the healthcare industry to specify the type of service provided by healthcare facilities on patient billing statements. They help categorize and detail the services rendered for both inpatients and outpatients, allowing for accurate billing and ...
Submitted by
Richard Baxter
-
6 months ago
1
HCPCS Level II codes (and modifier)
ECMAScript (JavaScript)
The CMS, who maintain these codes, describe the format as:- "HCPCS Level II codes (also known as alpha-numeric codes) consist of a single alphabetical letter followed by 4 numeric digits." (https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system) NOTE: This regex will not ide...
Submitted by
Richard Baxter
-
6 months ago
1
HCPCS Level II codes (no modifier)
ECMAScript (JavaScript)
The CMS, who maintain these codes, describe the format as:- "HCPCS Level II codes (also known as alpha-numeric codes) consist of a single alphabetical letter followed by 4 numeric digits." (https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system) NOTE: This regex will not iden...
Submitted by
Richard Baxter
-
6 months ago
1
Place of Service [POS] Codes
PCRE2 (PHP >=7.3)
These codes are used to indicate where a medical service was provided in US healthcare (https://www.cms.gov/medicare/coding-billing/place-of-service-codes/code-sets). The codes should be 2 digits. Single digits should have a leading 0. It's possible data loading might drop such values, and then t...
Submitted by
Richard Baxter
-
6 months ago
1
LOINC Medical Codes (from LOINC.org)
PCRE2 (PHP >=7.3)
Pattern to identify LOINC codes, derived from the description in LOINC.org (June 2024):- LOINC codes have a fixed length field of 7 characters within the LOINC database. Current codes are from 3-7 characters long. If you are currently building a system to include LOINC codes, we advise allowing up t...
Submitted by
Richard Baxter
-
6 months ago
1
x86 ASM Register [Case-Insensitive]
PCRE2 (PHP >=7.3)
A RegEx to match any Intel x86-Assembly register in a case-insensitive way. This is due to a limitation of the engine this regular expression was originally written for. Here is an updated version that is written for Regex-Engines that support the /i flag: https://regex101.com/library/4v1bVf
Submitted by
Tim Clemens
-
6 months ago
1
x86 ASM Register
PCRE2 (PHP >=7.3)
A RegEx to match any Intel x86-Assembly register.
Submitted by
Tim Clemens
-
6 months ago
1
chicken bacon onion
PCRE2 (PHP >=7.3)
for find chicken bacon onion
Submitted by
ZXC_SaxarokUWU_ZXC
-
6 months ago
1
...
18
19
20
21
22
...
901
Community Library Entry
2
Regular Expression
ECMAScript (JavaScript)
/
\d
+
[
.,
]
?
(
\d
+
\s
*
k
?
|
x
{2,3}
)
(?=
\s
*
(
original
|
actual
|
highway
)?
\s
*
miles
)
|
(?<=
mile
(
s
|
agex
?
)
:
?
\s
*
(
is
|
~
)?
\s
*
)
\d
+
[
.,
]
?
(
\d
+
(
\s
*
k
)?
|
x
{2,3}
)
|
(
\d
+
(
\s
*
K
)
|
x
{2,3}
)
/
i
Open regex in editor
Description
no description available
Submitted by
anonymous
-
11 years ago