fix(insee): cleaner regexp

__tests__/requests/insee.spec.js

@@ -76,6 +76,15 @@ describe('getInseeCode', () => {
       it('should return insee code for: Puget-Rostang', async () => {
         expect(await getInseeCode('06260', 'Puget-Rostang')).toEqual('06098')
       })
+      it('should return insee code for: Rostrenen', async () => {
+        expect(await getInseeCode(22110, 'Rostrenen')).toEqual('22266')
+      })
+      it('should return insee code for: Kergrist Moëlou', async () => {
+        expect(await getInseeCode(22110, 'Kergrist Moëlou')).toEqual('22087')
+      })
+      it('should return insee code for: castets', async () => {
+        expect(await getInseeCode(40260, 'castets')).toEqual('40075')
+      })
       it('should return insee code for: St léger', async () => {
         expect(await getInseeCode('06260', 'St léger')).toEqual('06124')
       })

src/requests/insee.js

@@ -45,7 +45,7 @@ async function getInseeCode(postalCode, city) {
 function sanitizeCity(city) {
   return city
     .toLowerCase()
-    .replace(/st/g, 'saint')
+    .replace(/\bst\b/i, 'saint')
     .replace(/[âêîôûäëïü-\sʼ'éèç]/g, match => REPLACE_CHARS[match])
     .trim()
 }