add utils regexes list

Author: andrewjschuang

components/pipedream_utils/actions/extract-by-regular-expressions-list/extract-by-regular-expressions-list.mjs

@@ -0,0 +1,80 @@
+import buildRegExp from "../../common/text/buildRegExp.mjs";
+import pipedream_utils from "../../pipedream_utils.app.mjs";
+export default {
+  name: "Formatting - [Text] Extract by Regular Expressions List (Regex)",
+  description: "Find matches for regular expressions. Returns all matched groups with start and end position.",
+  key: "pipedream_utils-extract-by-regular-expressions-list",
+  version: "0.0.1",
+  type: "action",
+  props: {
+    pipedream_utils,
+    input: {
+      type: "string",
+      label: "Input",
+      description: "Text you would like to find a pattern from",
+    },
+    regExpStrings: {
+      type: "string[]",
+      label: "Regular Expressions",
+      description: "An array of [regex strings](https://www.w3schools.com/js/js_regexp.asp) (e.g. `/foo/g`, `/bar/i`)",
+    },
+  },
+  methods: {
+    getAllResults(input) {
+      const resultMap = {};
+      const resultList = [];
+
+      for (const rStr of this.regExpStrings) {
+        if (typeof rStr !== "string" || !rStr.length) {
+          // still push an empty array to preserve order
+          resultMap[rStr] = [];
+          resultList.push([]);
+          continue;
+        }
+
+        const re = rStr.startsWith("/")
+          ? buildRegExp(rStr, [
+            "g",
+          ])
+          : new RegExp(rStr, "g");
+
+        const matches = [
+          ...input.matchAll(re),
+        ].map((m) => ({
+          match: m[0],
+          groups: m.groups ?? {},
+          startPosition: m.index,
+          endPosition: m.index + m[0].length,
+        }));
+
+        resultMap[rStr] = matches;
+        resultList.push(matches);
+      }
+
+      return {
+        resultMap,
+        resultList,
+      };
+    },
+  },
+  async run({ $ }) {
+    const {
+      resultMap,
+      resultList,
+    } = this.getAllResults(this.input);
+
+    const totalMatches = resultList.reduce((sum, arr) => sum + arr.length, 0);
+
+    $.export(
+      "$summary",
+      totalMatches
+        ? `Found ${totalMatches} matches across ${Object.keys(resultMap).length} patterns`
+        : "No matches found",
+    );
+
+    return {
+      map: resultMap,
+      list: resultList,
+    };
+  },
+};