regex101: PCRE (Legacy) Match Workspace

^start of line

Group 1(.*[ \-_])?

?repeats the group contents below at most once:

.*any character (except for line terminators), repeated any number of times

Character Class[ \-_]

the literal (32₁₀ / 40₈ / 20₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 2(SS|SSN|SIN|SSIN|SSNSIN|((SOC(IAL)?[_\- ]?SEC(URITY)?|SOC)[_\- ]?(DISABILITY)?[_\- ]?(INSURANCE)?(NUMBER|NUM|NO|NBR|NR)?))

1st AlternativeSS

SSthe literal text SS (case sensitive)

2nd AlternativeSSN

SSNthe literal text SSN (case sensitive)

3rd AlternativeSIN

SINthe literal text SIN (case sensitive)

4th AlternativeSSIN

SSINthe literal text SSIN (case sensitive)

5th AlternativeSSNSIN

SSNSINthe literal text SSNSIN (case sensitive)

6th Alternative((SOC(IAL)?[_\- ]?SEC(URITY)?|SOC)[_\- ]?(DISABILITY)?[_\- ]?(INSURANCE)?(NUMBER|NUM|NO|NBR|NR)?)

Group 3((SOC(IAL)?[_\- ]?SEC(URITY)?|SOC)[_\- ]?(DISABILITY)?[_\- ]?(INSURANCE)?(NUMBER|NUM|NO|NBR|NR)?)

Group 4(SOC(IAL)?[_\- ]?SEC(URITY)?|SOC)

1st AlternativeSOC(IAL)?[_\- ]?SEC(URITY)?

SOCthe literal text SOC (case sensitive)

Group 5(IAL)?

?repeats the group contents below at most once:

IALthe literal text IAL (case sensitive)

Character Class[_\- ]?

?matches at most one character from the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

SECthe literal text SEC (case sensitive)

Group 6(URITY)?

?repeats the group contents below at most once:

URITYthe literal text URITY (case sensitive)

2nd AlternativeSOC

SOCthe literal text SOC (case sensitive)

Character Class[_\- ]?

?matches at most one character from the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

the literal ↵ (10₁₀ / 12₈ / A₁₆)

Group 7(DISABILITY)?

?repeats the group contents below at most once:

DISABILITYthe literal text DISABILITY (case sensitive)

Character Class[_\- ]?

?matches at most one character from the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 8(INSURANCE)?

?repeats the group contents below at most once:

INSURANCEthe literal text INSURANCE (case sensitive)

Group 9(NUMBER|NUM|NO|NBR|NR)?

?repeats the group contents below at most once:

1st AlternativeNUMBER

NUMBERthe literal text NUMBER (case sensitive)

2nd AlternativeNUM

NUMthe literal text NUM (case sensitive)

3rd AlternativeNO

NOthe literal text NO (case sensitive)

4th AlternativeNBR

NBRthe literal text NBR (case sensitive)

5th AlternativeNR

Group 10([ \-_].*)?

Negative Lookbehind(?<!F)

Negative Lookbehind(?<!CD)

Negative Lookbehind(?<!DT)

$end of line

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

Search reference

Regular Expression

^(.*[ \-_])?(SS|SSN|SIN|SSIN|SSNSIN|((SOC(IAL)?[_\- ]?SEC(URITY)?|SOC)[_\- 
]?(DISABILITY)?[_\- ]?(INSURANCE)?(NUMBER|NUM|NO|NBR|NR)?))([ \-_].*)?(?<!F)(?<!CD)(?<!DT)$

New

anything_SSN_iRRELEVANTa;ldskf;lakjf;laskjfpoasiutpoasijh;alskd;afsd;alskfa;sldkj0928574 v09wy7 lkajhsgalkjshd

SSIN_okDT

Regular Expressions 101

Regular Expression

Substitution