feat(router): add support for co-badged cards (#5801)

Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>

crates/cards/src/validate.rs

@@ -1,6 +1,10 @@
-use std::{fmt, ops::Deref, str::FromStr};
+use std::{collections::HashMap, fmt, ops::Deref, str::FromStr};
 
+use common_utils::errors::ValidationError;
+use error_stack::report;
 use masking::{PeekInterface, Strategy, StrongSecret, WithType};
+use regex::Regex;
+use router_env::once_cell::sync::Lazy;
 #[cfg(not(target_arch = "wasm32"))]
 use router_env::{logger, which as router_env_which, Env};
 use serde::{Deserialize, Deserializer, Serialize};
@@ -46,6 +50,54 @@ impl CardNumber {
             .rev()
             .collect::<String>()
     }
+    pub fn is_cobadged_card(&self) -> Result<bool, error_stack::Report<ValidationError>> {
+        /// Regex to identify card networks
+        static CARD_NETWORK_REGEX: Lazy<HashMap<&str, Result<Regex, regex::Error>>> = Lazy::new(
+            || {
+                let mut map = HashMap::new();
+                map.insert("Mastercard", Regex::new(r"^(5[1-5][0-9]{14}|2(2(2[1-9]|[3-9][0-9])|[3-6][0-9][0-9]|7([0-1][0-9]|20))[0-9]{12})$"));
+                map.insert("American Express", Regex::new(r"^3[47][0-9]{13}$"));
+                map.insert("Visa", Regex::new(r"^4[0-9]{12}(?:[0-9]{3})?$"));
+                map.insert("Discover", Regex::new(r"^65[4-9][0-9]{13}|64[4-9][0-9]{13}|6011[0-9]{12}|(622(?:12[6-9]|1[3-9][0-9]|[2-8][0-9][0-9]|9[01][0-9]|92[0-5])[0-9]{10})$"));
+                map.insert(
+        "Maestro",
+        Regex::new(r"^(5018|5081|5044|504681|504993|5020|502260|5038|603845|603123|6304|6759|676[1-3]|6220|504834|504817|504645|504775|600206|627741)"),
+    );
+                map.insert(
+        "RuPay",
+        Regex::new(r"^(508227|508[5-9]|603741|60698[5-9]|60699|607[0-8]|6079[0-7]|60798[0-4]|60800[1-9]|6080[1-9]|608[1-4]|608500|6521[5-9]|652[2-9]|6530|6531[0-4]|817290|817368|817378|353800)"),
+    );
+                map.insert("Diners Club", Regex::new(r"^(36|38|30[0-5])"));
+                map.insert(
+                    "JCB",
+                    Regex::new(r"^(3(?:088|096|112|158|337|5(?:2[89]|[3-8][0-9]))\d{12})$"),
+                );
+                map.insert("CarteBlanche", Regex::new(r"^389[0-9]{11}$"));
+                map.insert("Sodex", Regex::new(r"^(637513)"));
+                map.insert("BAJAJ", Regex::new(r"^(203040)"));
+                map
+            },
+        );
+        let mut no_of_supported_card_networks = 0;
+
+        let card_number_str = self.get_card_no();
+        for (_, regex) in CARD_NETWORK_REGEX.iter() {
+            let card_regex = match regex.as_ref() {
+                Ok(regex) => Ok(regex),
+                Err(_) => Err(report!(ValidationError::InvalidValue {
+                    message: "Invalid regex expression".into(),
+                })),
+            }?;
+
+            if card_regex.is_match(&card_number_str) {
+                no_of_supported_card_networks += 1;
+                if no_of_supported_card_networks > 1 {
+                    break;
+                }
+            }
+        }
+        Ok(no_of_supported_card_networks > 1)
+    }
 }
 
 impl FromStr for CardNumber {