Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression

/
/

Test String

Substitution

Processing...

Code Generator

Generated Code

// include the latest version of the regex crate in your Cargo.toml extern crate regex; use regex::Regex; fn main() { let regex = Regex::new(r"\/\*(.|\n|\r)*\*\/").unwrap(); let string = " package es.elcorteingles.ns.integrations.schema.omnistoreordernotification._2_0; import javax.xml.bind.annotation.XmlAccessType; import javax.xml.bind.annotation.XmlAccessorType; import javax.xml.bind.annotation.XmlType; /** * Contiene informacion del coste a nivel de * ShippingGroup. * - Importe total. * - Importe pendiente a cobrar. * - Importe * del gasto de envío * * * <p>Java class for ShippingGroupPriceInfoType complex type. * * <p>The following schema fragment specifies the expected content contained within this class. * * <pre> * &lt;complexType name=\"ShippingGroupPriceInfoType\"> * &lt;complexContent> * &lt;restriction base=\"{http://www.w3.org/2001/XMLSchema}anyType\"> * &lt;sequence> * &lt;element name=\"totalCost\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/> * &lt;element name=\"pendingCost\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/> * &lt;element name=\"shippingCost\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/> * &lt;element name=\"groupDiscountsAmount\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/> * &lt;element name=\"totalNetAmount\" type=\"{http://www.elcorteingles.es/ns/integrations/schema/OmniStoreOrderNotification/2_0}AmountType\" minOccurs=\"0\"/> * &lt;/sequence> * &lt;/restriction> * &lt;/complexContent> * &lt;/complexType> * </pre> * * */ @XmlAccessorType(XmlAccessType.FIELD) @XmlType(name = \"ShippingGroupPriceInfoType\", propOrder = { \"totalCost\", \"pendingCost\", \"shippingCost\", \"groupDiscountsAmount\", \"totalNetAmount\" }) public class ShippingGroupPriceInfoType { protected AmountType totalCost; protected AmountType pendingCost; protected AmountType shippingCost; protected AmountType groupDiscountsAmount; protected AmountType totalNetAmount; /** * Gets the value of the totalCost property. * * @return * possible object is * {@link AmountType } * */ public AmountType getTotalCost() { return totalCost; } /** * Sets the value of the totalCost property. * * @param value * allowed object is * {@link AmountType } * */ public void setTotalCost(AmountType value) { this.totalCost = value; } /** * Gets the value of the pendingCost property. * * @return * possible object is * {@link AmountType } * */ public AmountType getPendingCost() { return pendingCost; } /** * Sets the value of the pendingCost property. * * @param value * allowed object is * {@link AmountType } * */ public void setPendingCost(AmountType value) { this.pendingCost = value; } /** * Gets the value of the shippingCost property. * * @return * possible object is * {@link AmountType } * */ public AmountType getShippingCost() { return shippingCost; } /** * Sets the value of the shippingCost property. * * @param value * allowed object is * {@link AmountType } * */ public void setShippingCost(AmountType value) { this.shippingCost = value; } /** * Gets the value of the groupDiscountsAmount property. * * @return * possible object is * {@link AmountType } * */ public AmountType getGroupDiscountsAmount() { return groupDiscountsAmount; } /** * Sets the value of the groupDiscountsAmount property. * * @param value * allowed object is * {@link AmountType } * */ public void setGroupDiscountsAmount(AmountType value) { this.groupDiscountsAmount = value; } /** * Gets the value of the totalNetAmount property. * * @return * possible object is * {@link AmountType } * */ public AmountType getTotalNetAmount() { return totalNetAmount; } /** * Sets the value of the totalNetAmount property. * * @param value * allowed object is * {@link AmountType } * */ public void setTotalNetAmount(AmountType value) { this.totalNetAmount = value; } } "; let substitution = ""; // result will be a String with the substituted value let result = regex.replace(string, substitution); println!("{}", result); }

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 Rust, please visit: https://docs.rs/regex/latest/regex/