const regex = new RegExp('([a-zA-Z]+)[\\s\\-\\.]+(\\d{1,2})[\\s\\-\\,]+(\\d{4})', 'g')
const str = `04/20/2009; 04/20/09; 4/3/09 7/8/71
Mar-20-2009; Mar 20, 2009; March 20, 2009; Mar. 20, 2009; Mar 20 2009
20 Mar 2009; 20 March 2009; 20 Mar. 2009; 20 March, 2009
Mar 20th, 2009; Mar 21st, 2009; Mar 22nd, 2009
Feb 2009; Sep 2009; Oct 2010
6/2008; 12/2009
6/1998 Primary Care Doctor:
2009; 2010
(4/10/71)Score-1Audit C Score Current: 9/27/75.
1; 10/13/1976 Audit C Score,
4-13-82 Other Child Mental occasion 5/21/77.
1; 10/13/1976 Audit C
(1988-now)
B12 969 2007
Lab: B12 969 2007
Ely 708-810-7787
February, 2010
URUGUAY September 1984.
7HH, April 1985 Hx of Outpatient
Venlafaxine 37.5mg daily: May, 2011: self-discontinued
) Paxil (Jan 1978) : sedation
LFTs WNL (October 1996)Problems Opioid dependence
"I wasn't getting anywhere" (April 1988)Prior
Prozac 20 mg daily: February, 1995: self-discontinued
sLexapro (1988-now): Good response (anxiety)
pOct 2015 - Admitted to Gray
lNovember 1990 - NPCCHx of Outpatient Treatment: Yes`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions